Home / 10,574.91-15,862.38-3,179.97

Finding the Fourth Proportional to 10,574.91, 15,862.38 and 3,179.97

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Solution

The fourth proportional to 10,574.91, 15,862.38 and 3,179.97 is: 4,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.91 : 15,862.38 = 3,179.97 : x
  2. Step 2: Convert to fraction form
    10,574.91/15,862.38 = 3,179.97/x
  3. Step 3: Cross multiply
    10,574.91x = 15,862.38 × 3,179.97
  4. Step 4: Simplify right side
    10,574.91x = 50,441,892.53
  5. Step 5: Solve for x
    x = 50,441,892.53/10,574.91
  6. Step 6: Final answer
    x = 4,769.96

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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.