Home / 8,108.85-11,190.20-4,572.04

Finding the Fourth Proportional to 8,108.85, 11,190.20 and 4,572.04

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Solution

The fourth proportional to 8,108.85, 11,190.20 and 4,572.04 is: 6,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.85 : 11,190.20 = 4,572.04 : x
  2. Step 2: Convert to fraction form
    8,108.85/11,190.20 = 4,572.04/x
  3. Step 3: Cross multiply
    8,108.85x = 11,190.20 × 4,572.04
  4. Step 4: Simplify right side
    8,108.85x = 51,162,042.01
  5. Step 5: Solve for x
    x = 51,162,042.01/8,108.85
  6. Step 6: Final answer
    x = 6,309.41

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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.