Home / 10,932.08-16,401.24-3,141.20

Finding the Fourth Proportional to 10,932.08, 16,401.24 and 3,141.20

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Solution

The fourth proportional to 10,932.08, 16,401.24 and 3,141.20 is: 4,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.08 : 16,401.24 = 3,141.20 : x
  2. Step 2: Convert to fraction form
    10,932.08/16,401.24 = 3,141.20/x
  3. Step 3: Cross multiply
    10,932.08x = 16,401.24 × 3,141.20
  4. Step 4: Simplify right side
    10,932.08x = 51,519,575.09
  5. Step 5: Solve for x
    x = 51,519,575.09/10,932.08
  6. Step 6: Final answer
    x = 4,712.70

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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.