Home / 11,171.57-16,753.30-4,149.95

Finding the Fourth Proportional to 11,171.57, 16,753.30 and 4,149.95

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Solution

The fourth proportional to 11,171.57, 16,753.30 and 4,149.95 is: 6,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.57 : 16,753.30 = 4,149.95 : x
  2. Step 2: Convert to fraction form
    11,171.57/16,753.30 = 4,149.95/x
  3. Step 3: Cross multiply
    11,171.57x = 16,753.30 × 4,149.95
  4. Step 4: Simplify right side
    11,171.57x = 69,525,263.19
  5. Step 5: Solve for x
    x = 69,525,263.19/11,171.57
  6. Step 6: Final answer
    x = 6,223.41

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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.