Home / 10,470.29-15,708.85-4,924.19

Finding the Fourth Proportional to 10,470.29, 15,708.85 and 4,924.19

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Solution

The fourth proportional to 10,470.29, 15,708.85 and 4,924.19 is: 7,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.29 : 15,708.85 = 4,924.19 : x
  2. Step 2: Convert to fraction form
    10,470.29/15,708.85 = 4,924.19/x
  3. Step 3: Cross multiply
    10,470.29x = 15,708.85 × 4,924.19
  4. Step 4: Simplify right side
    10,470.29x = 77,353,258.92
  5. Step 5: Solve for x
    x = 77,353,258.92/10,470.29
  6. Step 6: Final answer
    x = 7,387.88

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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.