Home / 10,470.04-15,707.19-9,424.43

Finding the Fourth Proportional to 10,470.04, 15,707.19 and 9,424.43

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Solution

The fourth proportional to 10,470.04, 15,707.19 and 9,424.43 is: 14,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.04 : 15,707.19 = 9,424.43 : x
  2. Step 2: Convert to fraction form
    10,470.04/15,707.19 = 9,424.43/x
  3. Step 3: Cross multiply
    10,470.04x = 15,707.19 × 9,424.43
  4. Step 4: Simplify right side
    10,470.04x = 148,031,265.53
  5. Step 5: Solve for x
    x = 148,031,265.53/10,470.04
  6. Step 6: Final answer
    x = 14,138.56

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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.