Finding the Fourth Proportional to 7,332.19, 10,108.91 and 4,674.99
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Solution
The fourth proportional to 7,332.19, 10,108.91 and 4,674.99 is: 6,445.41
Step by Step Solution
- Step 1: Write the proportion equation
7,332.19 : 10,108.91 = 4,674.99 : x - Step 2: Convert to fraction form
7,332.19/10,108.91 = 4,674.99/x - Step 3: Cross multiply
7,332.19x = 10,108.91 × 4,674.99 - Step 4: Simplify right side
7,332.19x = 47,258,979.24 - Step 5: Solve for x
x = 47,258,979.24/7,332.19 - Step 6: Final answer
x = 6,445.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.