Home / 11,517.85-17,277.05-4,122.82

Finding the Fourth Proportional to 11,517.85, 17,277.05 and 4,122.82

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Solution

The fourth proportional to 11,517.85, 17,277.05 and 4,122.82 is: 6,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.85 : 17,277.05 = 4,122.82 : x
  2. Step 2: Convert to fraction form
    11,517.85/17,277.05 = 4,122.82/x
  3. Step 3: Cross multiply
    11,517.85x = 17,277.05 × 4,122.82
  4. Step 4: Simplify right side
    11,517.85x = 71,230,167.28
  5. Step 5: Solve for x
    x = 71,230,167.28/11,517.85
  6. Step 6: Final answer
    x = 6,184.33

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1.5x scale

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.