Home / 11,067.20-15,292.18-8,847.40

Finding the Fourth Proportional to 11,067.20, 15,292.18 and 8,847.40

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Solution

The fourth proportional to 11,067.20, 15,292.18 and 8,847.40 is: 12,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.20 : 15,292.18 = 8,847.40 : x
  2. Step 2: Convert to fraction form
    11,067.20/15,292.18 = 8,847.40/x
  3. Step 3: Cross multiply
    11,067.20x = 15,292.18 × 8,847.40
  4. Step 4: Simplify right side
    11,067.20x = 135,296,033.33
  5. Step 5: Solve for x
    x = 135,296,033.33/11,067.20
  6. Step 6: Final answer
    x = 12,224.96

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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.