Home / 8,228.75-12,344.97-3,843.81

Finding the Fourth Proportional to 8,228.75, 12,344.97 and 3,843.81

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Solution

The fourth proportional to 8,228.75, 12,344.97 and 3,843.81 is: 5,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.75 : 12,344.97 = 3,843.81 : x
  2. Step 2: Convert to fraction form
    8,228.75/12,344.97 = 3,843.81/x
  3. Step 3: Cross multiply
    8,228.75x = 12,344.97 × 3,843.81
  4. Step 4: Simplify right side
    8,228.75x = 47,451,719.14
  5. Step 5: Solve for x
    x = 47,451,719.14/8,228.75
  6. Step 6: Final answer
    x = 5,766.58

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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.