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Finding the Fourth Proportional to 9,324.48, 12,867.07 and 5,921.24

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Solution

The fourth proportional to 9,324.48, 12,867.07 and 5,921.24 is: 8,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.48 : 12,867.07 = 5,921.24 : x
  2. Step 2: Convert to fraction form
    9,324.48/12,867.07 = 5,921.24/x
  3. Step 3: Cross multiply
    9,324.48x = 12,867.07 × 5,921.24
  4. Step 4: Simplify right side
    9,324.48x = 76,189,009.57
  5. Step 5: Solve for x
    x = 76,189,009.57/9,324.48
  6. Step 6: Final answer
    x = 8,170.86

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Similar ratio
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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.