Home / 11,244.68-15,517.85-7,272.71

Finding the Fourth Proportional to 11,244.68, 15,517.85 and 7,272.71

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Solution

The fourth proportional to 11,244.68, 15,517.85 and 7,272.71 is: 10,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.68 : 15,517.85 = 7,272.71 : x
  2. Step 2: Convert to fraction form
    11,244.68/15,517.85 = 7,272.71/x
  3. Step 3: Cross multiply
    11,244.68x = 15,517.85 × 7,272.71
  4. Step 4: Simplify right side
    11,244.68x = 112,856,926.97
  5. Step 5: Solve for x
    x = 112,856,926.97/11,244.68
  6. Step 6: Final answer
    x = 10,036.47

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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.