Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 5 - Ratio and Proportion - 5.4 Solving Problems - 5.4 Exercises - Page 356: 12



Work Step by Step

We are given the proportion $\frac{6}{x}=\frac{4}{8}$. We can set the cross products equal to each other and solve for the unknown variable. $6\times8=x\times4$ $48=4x$ Divide both sides by 4. $x=12$
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