Home / 8,383.91-11,575.24-5,200.61

Finding the Fourth Proportional to 8,383.91, 11,575.24 and 5,200.61

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Solution

The fourth proportional to 8,383.91, 11,575.24 and 5,200.61 is: 7,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.91 : 11,575.24 = 5,200.61 : x
  2. Step 2: Convert to fraction form
    8,383.91/11,575.24 = 5,200.61/x
  3. Step 3: Cross multiply
    8,383.91x = 11,575.24 × 5,200.61
  4. Step 4: Simplify right side
    8,383.91x = 60,198,238.02
  5. Step 5: Solve for x
    x = 60,198,238.02/8,383.91
  6. Step 6: Final answer
    x = 7,180.21

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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.