Home / 10,939.38-16,410.30-4,013.88

Finding the Fourth Proportional to 10,939.38, 16,410.30 and 4,013.88

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Solution

The fourth proportional to 10,939.38, 16,410.30 and 4,013.88 is: 6,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.38 : 16,410.30 = 4,013.88 : x
  2. Step 2: Convert to fraction form
    10,939.38/16,410.30 = 4,013.88/x
  3. Step 3: Cross multiply
    10,939.38x = 16,410.30 × 4,013.88
  4. Step 4: Simplify right side
    10,939.38x = 65,868,974.96
  5. Step 5: Solve for x
    x = 65,868,974.96/10,939.38
  6. Step 6: Final answer
    x = 6,021.27

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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.