Home / 9,234.28-12,743.13-5,255.29

Finding the Fourth Proportional to 9,234.28, 12,743.13 and 5,255.29

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Solution

The fourth proportional to 9,234.28, 12,743.13 and 5,255.29 is: 7,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,234.28 : 12,743.13 = 5,255.29 : x
  2. Step 2: Convert to fraction form
    9,234.28/12,743.13 = 5,255.29/x
  3. Step 3: Cross multiply
    9,234.28x = 12,743.13 × 5,255.29
  4. Step 4: Simplify right side
    9,234.28x = 66,968,843.66
  5. Step 5: Solve for x
    x = 66,968,843.66/9,234.28
  6. Step 6: Final answer
    x = 7,252.20

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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.