Home / 8,112.92-11,195.91-4,757.72

Finding the Fourth Proportional to 8,112.92, 11,195.91 and 4,757.72

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Solution

The fourth proportional to 8,112.92, 11,195.91 and 4,757.72 is: 6,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.92 : 11,195.91 = 4,757.72 : x
  2. Step 2: Convert to fraction form
    8,112.92/11,195.91 = 4,757.72/x
  3. Step 3: Cross multiply
    8,112.92x = 11,195.91 × 4,757.72
  4. Step 4: Simplify right side
    8,112.92x = 53,267,004.93
  5. Step 5: Solve for x
    x = 53,267,004.93/8,112.92
  6. Step 6: Final answer
    x = 6,565.70

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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.