Home / 8,251.22-11,391.86-5,732.52

Finding the Fourth Proportional to 8,251.22, 11,391.86 and 5,732.52

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Solution

The fourth proportional to 8,251.22, 11,391.86 and 5,732.52 is: 7,914.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.22 : 11,391.86 = 5,732.52 : x
  2. Step 2: Convert to fraction form
    8,251.22/11,391.86 = 5,732.52/x
  3. Step 3: Cross multiply
    8,251.22x = 11,391.86 × 5,732.52
  4. Step 4: Simplify right side
    8,251.22x = 65,304,065.29
  5. Step 5: Solve for x
    x = 65,304,065.29/8,251.22
  6. Step 6: Final answer
    x = 7,914.47

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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.