Home / 8,167.24-11,251.38-7,771.96

Finding the Fourth Proportional to 8,167.24, 11,251.38 and 7,771.96

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Solution

The fourth proportional to 8,167.24, 11,251.38 and 7,771.96 is: 10,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.24 : 11,251.38 = 7,771.96 : x
  2. Step 2: Convert to fraction form
    8,167.24/11,251.38 = 7,771.96/x
  3. Step 3: Cross multiply
    8,167.24x = 11,251.38 × 7,771.96
  4. Step 4: Simplify right side
    8,167.24x = 87,445,275.30
  5. Step 5: Solve for x
    x = 87,445,275.30/8,167.24
  6. Step 6: Final answer
    x = 10,706.83

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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.