Home / 8,580.89-11,832.27-7,451.85

Finding the Fourth Proportional to 8,580.89, 11,832.27 and 7,451.85

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Solution

The fourth proportional to 8,580.89, 11,832.27 and 7,451.85 is: 10,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.89 : 11,832.27 = 7,451.85 : x
  2. Step 2: Convert to fraction form
    8,580.89/11,832.27 = 7,451.85/x
  3. Step 3: Cross multiply
    8,580.89x = 11,832.27 × 7,451.85
  4. Step 4: Simplify right side
    8,580.89x = 88,172,301.20
  5. Step 5: Solve for x
    x = 88,172,301.20/8,580.89
  6. Step 6: Final answer
    x = 10,275.43

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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.