Home / 8,236.67-12,356.55-2,691.59

Finding the Fourth Proportional to 8,236.67, 12,356.55 and 2,691.59

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Solution

The fourth proportional to 8,236.67, 12,356.55 and 2,691.59 is: 4,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.67 : 12,356.55 = 2,691.59 : x
  2. Step 2: Convert to fraction form
    8,236.67/12,356.55 = 2,691.59/x
  3. Step 3: Cross multiply
    8,236.67x = 12,356.55 × 2,691.59
  4. Step 4: Simplify right side
    8,236.67x = 33,258,704.63
  5. Step 5: Solve for x
    x = 33,258,704.63/8,236.67
  6. Step 6: Final answer
    x = 4,037.88

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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.