Finding the Fourth Proportional to 10,108.32, 15,162.48 and 3,948
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Solution
The fourth proportional to 10,108.32, 15,162.48 and 3,948 is: 5,922
Step by Step Solution
- Step 1: Write the proportion equation
10,108.32 : 15,162.48 = 3,948 : x - Step 2: Convert to fraction form
10,108.32/15,162.48 = 3,948/x - Step 3: Cross multiply
10,108.32x = 15,162.48 × 3,948 - Step 4: Simplify right side
10,108.32x = 59,861,471.04 - Step 5: Solve for x
x = 59,861,471.04/10,108.32 - Step 6: Final answer
x = 5,922
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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.