Home / 12,083.97-18,129.02-3,764.06

Finding the Fourth Proportional to 12,083.97, 18,129.02 and 3,764.06

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Solution

The fourth proportional to 12,083.97, 18,129.02 and 3,764.06 is: 5,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.97 : 18,129.02 = 3,764.06 : x
  2. Step 2: Convert to fraction form
    12,083.97/18,129.02 = 3,764.06/x
  3. Step 3: Cross multiply
    12,083.97x = 18,129.02 × 3,764.06
  4. Step 4: Simplify right side
    12,083.97x = 68,238,609.56
  5. Step 5: Solve for x
    x = 68,238,609.56/12,083.97
  6. Step 6: Final answer
    x = 5,647.04

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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.