Home / 11,067.68-15,292.85-8,847.87

Finding the Fourth Proportional to 11,067.68, 15,292.85 and 8,847.87

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Solution

The fourth proportional to 11,067.68, 15,292.85 and 8,847.87 is: 12,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.68 : 15,292.85 = 8,847.87 : x
  2. Step 2: Convert to fraction form
    11,067.68/15,292.85 = 8,847.87/x
  3. Step 3: Cross multiply
    11,067.68x = 15,292.85 × 8,847.87
  4. Step 4: Simplify right side
    11,067.68x = 135,309,104.49
  5. Step 5: Solve for x
    x = 135,309,104.49/11,067.68
  6. Step 6: Final answer
    x = 12,225.61

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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.