Home / 10,932.92-16,399.38-3,141.74

Finding the Fourth Proportional to 10,932.92, 16,399.38 and 3,141.74

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Solution

The fourth proportional to 10,932.92, 16,399.38 and 3,141.74 is: 4,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.92 : 16,399.38 = 3,141.74 : x
  2. Step 2: Convert to fraction form
    10,932.92/16,399.38 = 3,141.74/x
  3. Step 3: Cross multiply
    10,932.92x = 16,399.38 × 3,141.74
  4. Step 4: Simplify right side
    10,932.92x = 51,522,588.12
  5. Step 5: Solve for x
    x = 51,522,588.12/10,932.92
  6. Step 6: Final answer
    x = 4,712.61

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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.