In Exercises 5 to 14, find the value of x in each proportion.
a) 

b) 

Understanding Basic Statistics
Applied Calculus
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
Calculus (MindTap Course List)
Probability and Statistics for Engineering and the Sciences
Calculus: Early Transcendentals
Elementary Technical Mathematics
Calculus: An Applied Approach (MindTap Course List)
Finite Mathematics and Applied Calculus (MindTap Course List)
Mathematical Applications for the Management, Life, and Social Sciences
Statistics for The Behavioral Sciences (MindTap Course List)
Multivariable Calculus
Intermediate Algebra
Essentials Of Statistics
Single Variable Calculus
Finite Mathematics
Calculus: Early Transcendental Functions
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Single Variable Calculus: Early Transcendentals, Volume I
Precalculus: Mathematics for Calculus (Standalone Book)
Mathematical Excursions (MindTap Course List)
Elements Of Modern Algebra
Contemporary Mathematics for Business & Consumers
Calculus of a Single Variable
Trigonometry (MindTap Course List)
Single Variable Calculus: Early Transcendentals
Finite Mathematics for the Managerial, Life, and Social Sciences
Study Guide for Stewart's Multivariable Calculus, 8th
Calculus: Early Transcendental Functions (MindTap Course List)
Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
Research Methods for the Behavioral Sciences (MindTap Course List)
Mathematics For Machine Technology
STATISTICS F/BUSINESS+ECONOMICSTEXT
Research Methods for the Behavioral Sciences (MindTap Course List)
Introduction To Statistics And Data Analysis
Calculus (MindTap Course List)
College Algebra (MindTap Course List)
Statistics for Business & Economics, Revised (MindTap Course List)
Multivariable Calculus
Mathematics: A Practical Odyssey
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Discrete Mathematics With Applications
Essentials Of Statistics For Business & Economics
Introductory Statistics
College Algebra