Home / 8,220.75-12,329.97-2,674.14

Finding the Fourth Proportional to 8,220.75, 12,329.97 and 2,674.14

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Solution

The fourth proportional to 8,220.75, 12,329.97 and 2,674.14 is: 4,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.75 : 12,329.97 = 2,674.14 : x
  2. Step 2: Convert to fraction form
    8,220.75/12,329.97 = 2,674.14/x
  3. Step 3: Cross multiply
    8,220.75x = 12,329.97 × 2,674.14
  4. Step 4: Simplify right side
    8,220.75x = 32,972,065.98
  5. Step 5: Solve for x
    x = 32,972,065.98/8,220.75
  6. Step 6: Final answer
    x = 4,010.83

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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.