Home / 8,081.91-11,153.97-4,498.20

Finding the Fourth Proportional to 8,081.91, 11,153.97 and 4,498.20

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Solution

The fourth proportional to 8,081.91, 11,153.97 and 4,498.20 is: 6,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.91 : 11,153.97 = 4,498.20 : x
  2. Step 2: Convert to fraction form
    8,081.91/11,153.97 = 4,498.20/x
  3. Step 3: Cross multiply
    8,081.91x = 11,153.97 × 4,498.20
  4. Step 4: Simplify right side
    8,081.91x = 50,172,787.85
  5. Step 5: Solve for x
    x = 50,172,787.85/8,081.91
  6. Step 6: Final answer
    x = 6,208.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.