Home / 8,150.22-12,208.89-3,761.58

Finding the Fourth Proportional to 8,150.22, 12,208.89 and 3,761.58

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Solution

The fourth proportional to 8,150.22, 12,208.89 and 3,761.58 is: 5,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.22 : 12,208.89 = 3,761.58 : x
  2. Step 2: Convert to fraction form
    8,150.22/12,208.89 = 3,761.58/x
  3. Step 3: Cross multiply
    8,150.22x = 12,208.89 × 3,761.58
  4. Step 4: Simplify right side
    8,150.22x = 45,924,716.45
  5. Step 5: Solve for x
    x = 45,924,716.45/8,150.22
  6. Step 6: Final answer
    x = 5,634.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.