Home / 8,882.91-12,261.92-5,857.56

Finding the Fourth Proportional to 8,882.91, 12,261.92 and 5,857.56

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Solution

The fourth proportional to 8,882.91, 12,261.92 and 5,857.56 is: 8,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.91 : 12,261.92 = 5,857.56 : x
  2. Step 2: Convert to fraction form
    8,882.91/12,261.92 = 5,857.56/x
  3. Step 3: Cross multiply
    8,882.91x = 12,261.92 × 5,857.56
  4. Step 4: Simplify right side
    8,882.91x = 71,824,932.12
  5. Step 5: Solve for x
    x = 71,824,932.12/8,882.91
  6. Step 6: Final answer
    x = 8,085.74

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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.