Home / 8,257.08-12,386.34-2,414.28

Finding the Fourth Proportional to 8,257.08, 12,386.34 and 2,414.28

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Solution

The fourth proportional to 8,257.08, 12,386.34 and 2,414.28 is: 3,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.08 : 12,386.34 = 2,414.28 : x
  2. Step 2: Convert to fraction form
    8,257.08/12,386.34 = 2,414.28/x
  3. Step 3: Cross multiply
    8,257.08x = 12,386.34 × 2,414.28
  4. Step 4: Simplify right side
    8,257.08x = 29,904,092.94
  5. Step 5: Solve for x
    x = 29,904,092.94/8,257.08
  6. Step 6: Final answer
    x = 3,621.63

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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.