Home / 10,614.28-15,917.10-4,042.12

Finding the Fourth Proportional to 10,614.28, 15,917.10 and 4,042.12

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Solution

The fourth proportional to 10,614.28, 15,917.10 and 4,042.12 is: 6,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.28 : 15,917.10 = 4,042.12 : x
  2. Step 2: Convert to fraction form
    10,614.28/15,917.10 = 4,042.12/x
  3. Step 3: Cross multiply
    10,614.28x = 15,917.10 × 4,042.12
  4. Step 4: Simplify right side
    10,614.28x = 64,338,828.25
  5. Step 5: Solve for x
    x = 64,338,828.25/10,614.28
  6. Step 6: Final answer
    x = 6,061.53

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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.