Home / 8,067.20-11,177.58-7,892.24

Finding the Fourth Proportional to 8,067.20, 11,177.58 and 7,892.24

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Solution

The fourth proportional to 8,067.20, 11,177.58 and 7,892.24 is: 10,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.20 : 11,177.58 = 7,892.24 : x
  2. Step 2: Convert to fraction form
    8,067.20/11,177.58 = 7,892.24/x
  3. Step 3: Cross multiply
    8,067.20x = 11,177.58 × 7,892.24
  4. Step 4: Simplify right side
    8,067.20x = 88,216,143.98
  5. Step 5: Solve for x
    x = 88,216,143.98/8,067.20
  6. Step 6: Final answer
    x = 10,935.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.