Home / 10,531.38-15,796.26-3,134.46

Finding the Fourth Proportional to 10,531.38, 15,796.26 and 3,134.46

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Solution

The fourth proportional to 10,531.38, 15,796.26 and 3,134.46 is: 4,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.38 : 15,796.26 = 3,134.46 : x
  2. Step 2: Convert to fraction form
    10,531.38/15,796.26 = 3,134.46/x
  3. Step 3: Cross multiply
    10,531.38x = 15,796.26 × 3,134.46
  4. Step 4: Simplify right side
    10,531.38x = 49,512,745.12
  5. Step 5: Solve for x
    x = 49,512,745.12/10,531.38
  6. Step 6: Final answer
    x = 4,701.45

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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.