Home / 9,234.47-12,743.58-5,255.61

Finding the Fourth Proportional to 9,234.47, 12,743.58 and 5,255.61

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Solution

The fourth proportional to 9,234.47, 12,743.58 and 5,255.61 is: 7,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,234.47 : 12,743.58 = 5,255.61 : x
  2. Step 2: Convert to fraction form
    9,234.47/12,743.58 = 5,255.61/x
  3. Step 3: Cross multiply
    9,234.47x = 12,743.58 × 5,255.61
  4. Step 4: Simplify right side
    9,234.47x = 66,975,286.48
  5. Step 5: Solve for x
    x = 66,975,286.48/9,234.47
  6. Step 6: Final answer
    x = 7,252.75

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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.