Finding the Fourth Proportional to 10,619.50, 15,929.25 and 3,694
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Solution
The fourth proportional to 10,619.50, 15,929.25 and 3,694 is: 5,541
Step by Step Solution
- Step 1: Write the proportion equation
10,619.50 : 15,929.25 = 3,694 : x - Step 2: Convert to fraction form
10,619.50/15,929.25 = 3,694/x - Step 3: Cross multiply
10,619.50x = 15,929.25 × 3,694 - Step 4: Simplify right side
10,619.50x = 58,842,649.50 - Step 5: Solve for x
x = 58,842,649.50/10,619.50 - Step 6: Final answer
x = 5,541
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.