Home / 8,065.75-12,092.66-3,387.14

Finding the Fourth Proportional to 8,065.75, 12,092.66 and 3,387.14

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Solution

The fourth proportional to 8,065.75, 12,092.66 and 3,387.14 is: 5,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.75 : 12,092.66 = 3,387.14 : x
  2. Step 2: Convert to fraction form
    8,065.75/12,092.66 = 3,387.14/x
  3. Step 3: Cross multiply
    8,065.75x = 12,092.66 × 3,387.14
  4. Step 4: Simplify right side
    8,065.75x = 40,959,515.46
  5. Step 5: Solve for x
    x = 40,959,515.46/8,065.75
  6. Step 6: Final answer
    x = 5,078.21

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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.