Home / 11,013.80-16,517.18-3,616.53

Finding the Fourth Proportional to 11,013.80, 16,517.18 and 3,616.53

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Solution

The fourth proportional to 11,013.80, 16,517.18 and 3,616.53 is: 5,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.80 : 16,517.18 = 3,616.53 : x
  2. Step 2: Convert to fraction form
    11,013.80/16,517.18 = 3,616.53/x
  3. Step 3: Cross multiply
    11,013.80x = 16,517.18 × 3,616.53
  4. Step 4: Simplify right side
    11,013.80x = 59,734,858.90
  5. Step 5: Solve for x
    x = 59,734,858.90/11,013.80
  6. Step 6: Final answer
    x = 5,423.64

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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.