Home / 10,939.56-16,414.14-5,744.22

Finding the Fourth Proportional to 10,939.56, 16,414.14 and 5,744.22

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Solution

The fourth proportional to 10,939.56, 16,414.14 and 5,744.22 is: 8,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.56 : 16,414.14 = 5,744.22 : x
  2. Step 2: Convert to fraction form
    10,939.56/16,414.14 = 5,744.22/x
  3. Step 3: Cross multiply
    10,939.56x = 16,414.14 × 5,744.22
  4. Step 4: Simplify right side
    10,939.56x = 94,286,431.27
  5. Step 5: Solve for x
    x = 94,286,431.27/10,939.56
  6. Step 6: Final answer
    x = 8,618.85

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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.