Home / 12,153.97-18,233.40-3,835.27

Finding the Fourth Proportional to 12,153.97, 18,233.40 and 3,835.27

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Solution

The fourth proportional to 12,153.97, 18,233.40 and 3,835.27 is: 5,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.97 : 18,233.40 = 3,835.27 : x
  2. Step 2: Convert to fraction form
    12,153.97/18,233.40 = 3,835.27/x
  3. Step 3: Cross multiply
    12,153.97x = 18,233.40 × 3,835.27
  4. Step 4: Simplify right side
    12,153.97x = 69,930,012.02
  5. Step 5: Solve for x
    x = 69,930,012.02/12,153.97
  6. Step 6: Final answer
    x = 5,753.68

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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.