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

b) 

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