Home / 9,231.52-12,740.20-5,253.92

Finding the Fourth Proportional to 9,231.52, 12,740.20 and 5,253.92

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Solution

The fourth proportional to 9,231.52, 12,740.20 and 5,253.92 is: 7,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.52 : 12,740.20 = 5,253.92 : x
  2. Step 2: Convert to fraction form
    9,231.52/12,740.20 = 5,253.92/x
  3. Step 3: Cross multiply
    9,231.52x = 12,740.20 × 5,253.92
  4. Step 4: Simplify right side
    9,231.52x = 66,935,991.58
  5. Step 5: Solve for x
    x = 66,935,991.58/9,231.52
  6. Step 6: Final answer
    x = 7,250.81

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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.