Home / 8,134.14-12,202.84-3,454.11

Finding the Fourth Proportional to 8,134.14, 12,202.84 and 3,454.11

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Solution

The fourth proportional to 8,134.14, 12,202.84 and 3,454.11 is: 5,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.14 : 12,202.84 = 3,454.11 : x
  2. Step 2: Convert to fraction form
    8,134.14/12,202.84 = 3,454.11/x
  3. Step 3: Cross multiply
    8,134.14x = 12,202.84 × 3,454.11
  4. Step 4: Simplify right side
    8,134.14x = 42,150,001.75
  5. Step 5: Solve for x
    x = 42,150,001.75/8,134.14
  6. Step 6: Final answer
    x = 5,181.86

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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.