Home / 11,180.24-16,772.16-3,387.20

Finding the Fourth Proportional to 11,180.24, 16,772.16 and 3,387.20

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Solution

The fourth proportional to 11,180.24, 16,772.16 and 3,387.20 is: 5,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.24 : 16,772.16 = 3,387.20 : x
  2. Step 2: Convert to fraction form
    11,180.24/16,772.16 = 3,387.20/x
  3. Step 3: Cross multiply
    11,180.24x = 16,772.16 × 3,387.20
  4. Step 4: Simplify right side
    11,180.24x = 56,810,660.35
  5. Step 5: Solve for x
    x = 56,810,660.35/11,180.24
  6. Step 6: Final answer
    x = 5,081.35

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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.