Home / 11,772.20-16,101.67-11,480.60

Finding the Fourth Proportional to 11,772.20, 16,101.67 and 11,480.60

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Solution

The fourth proportional to 11,772.20, 16,101.67 and 11,480.60 is: 15,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.20 : 16,101.67 = 11,480.60 : x
  2. Step 2: Convert to fraction form
    11,772.20/16,101.67 = 11,480.60/x
  3. Step 3: Cross multiply
    11,772.20x = 16,101.67 × 11,480.60
  4. Step 4: Simplify right side
    11,772.20x = 184,856,832.60
  5. Step 5: Solve for x
    x = 184,856,832.60/11,772.20
  6. Step 6: Final answer
    x = 15,702.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.