Home / 10,375.28-15,559.10-3,709.97

Finding the Fourth Proportional to 10,375.28, 15,559.10 and 3,709.97

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Solution

The fourth proportional to 10,375.28, 15,559.10 and 3,709.97 is: 5,563.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.28 : 15,559.10 = 3,709.97 : x
  2. Step 2: Convert to fraction form
    10,375.28/15,559.10 = 3,709.97/x
  3. Step 3: Cross multiply
    10,375.28x = 15,559.10 × 3,709.97
  4. Step 4: Simplify right side
    10,375.28x = 57,723,814.57
  5. Step 5: Solve for x
    x = 57,723,814.57/10,375.28
  6. Step 6: Final answer
    x = 5,563.59

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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.