Home / 9,229.47-12,736.94-5,251.15

Finding the Fourth Proportional to 9,229.47, 12,736.94 and 5,251.15

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Solution

The fourth proportional to 9,229.47, 12,736.94 and 5,251.15 is: 7,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.47 : 12,736.94 = 5,251.15 : x
  2. Step 2: Convert to fraction form
    9,229.47/12,736.94 = 5,251.15/x
  3. Step 3: Cross multiply
    9,229.47x = 12,736.94 × 5,251.15
  4. Step 4: Simplify right side
    9,229.47x = 66,883,582.48
  5. Step 5: Solve for x
    x = 66,883,582.48/9,229.47
  6. Step 6: Final answer
    x = 7,246.74

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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.