Home / 8,872.14-12,243.15-5,092.65

Finding the Fourth Proportional to 8,872.14, 12,243.15 and 5,092.65

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Solution

The fourth proportional to 8,872.14, 12,243.15 and 5,092.65 is: 7,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.14 : 12,243.15 = 5,092.65 : x
  2. Step 2: Convert to fraction form
    8,872.14/12,243.15 = 5,092.65/x
  3. Step 3: Cross multiply
    8,872.14x = 12,243.15 × 5,092.65
  4. Step 4: Simplify right side
    8,872.14x = 62,350,077.85
  5. Step 5: Solve for x
    x = 62,350,077.85/8,872.14
  6. Step 6: Final answer
    x = 7,027.62

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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.