Home / 12,028.75-18,044.82-3,709.44

Finding the Fourth Proportional to 12,028.75, 18,044.82 and 3,709.44

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Solution

The fourth proportional to 12,028.75, 18,044.82 and 3,709.44 is: 5,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.75 : 18,044.82 = 3,709.44 : x
  2. Step 2: Convert to fraction form
    12,028.75/18,044.82 = 3,709.44/x
  3. Step 3: Cross multiply
    12,028.75x = 18,044.82 × 3,709.44
  4. Step 4: Simplify right side
    12,028.75x = 66,936,177.10
  5. Step 5: Solve for x
    x = 66,936,177.10/12,028.75
  6. Step 6: Final answer
    x = 5,564.68

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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.