Home / 9,732.88-13,431.12-5,425.96

Finding the Fourth Proportional to 9,732.88, 13,431.12 and 5,425.96

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Solution

The fourth proportional to 9,732.88, 13,431.12 and 5,425.96 is: 7,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,732.88 : 13,431.12 = 5,425.96 : x
  2. Step 2: Convert to fraction form
    9,732.88/13,431.12 = 5,425.96/x
  3. Step 3: Cross multiply
    9,732.88x = 13,431.12 × 5,425.96
  4. Step 4: Simplify right side
    9,732.88x = 72,876,719.88
  5. Step 5: Solve for x
    x = 72,876,719.88/9,732.88
  6. Step 6: Final answer
    x = 7,487.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.