Home / 8,247.20-12,370.82-2,007.18

Finding the Fourth Proportional to 8,247.20, 12,370.82 and 2,007.18

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Solution

The fourth proportional to 8,247.20, 12,370.82 and 2,007.18 is: 3,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.20 : 12,370.82 = 2,007.18 : x
  2. Step 2: Convert to fraction form
    8,247.20/12,370.82 = 2,007.18/x
  3. Step 3: Cross multiply
    8,247.20x = 12,370.82 × 2,007.18
  4. Step 4: Simplify right side
    8,247.20x = 24,830,452.45
  5. Step 5: Solve for x
    x = 24,830,452.45/8,247.20
  6. Step 6: Final answer
    x = 3,010.78

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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.