Home / 10,882.91-16,331.64-3,957.41

Finding the Fourth Proportional to 10,882.91, 16,331.64 and 3,957.41

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Solution

The fourth proportional to 10,882.91, 16,331.64 and 3,957.41 is: 5,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.91 : 16,331.64 = 3,957.41 : x
  2. Step 2: Convert to fraction form
    10,882.91/16,331.64 = 3,957.41/x
  3. Step 3: Cross multiply
    10,882.91x = 16,331.64 × 3,957.41
  4. Step 4: Simplify right side
    10,882.91x = 64,630,951.84
  5. Step 5: Solve for x
    x = 64,630,951.84/10,882.91
  6. Step 6: Final answer
    x = 5,938.76

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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.