Home / 10,615.38-15,923.10-4,373.82

Finding the Fourth Proportional to 10,615.38, 15,923.10 and 4,373.82

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Solution

The fourth proportional to 10,615.38, 15,923.10 and 4,373.82 is: 6,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.38 : 15,923.10 = 4,373.82 : x
  2. Step 2: Convert to fraction form
    10,615.38/15,923.10 = 4,373.82/x
  3. Step 3: Cross multiply
    10,615.38x = 15,923.10 × 4,373.82
  4. Step 4: Simplify right side
    10,615.38x = 69,644,773.24
  5. Step 5: Solve for x
    x = 69,644,773.24/10,615.38
  6. Step 6: Final answer
    x = 6,560.74

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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.