Home / 8,025.75-12,043.49-3,408.75

Finding the Fourth Proportional to 8,025.75, 12,043.49 and 3,408.75

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Solution

The fourth proportional to 8,025.75, 12,043.49 and 3,408.75 is: 5,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.75 : 12,043.49 = 3,408.75 : x
  2. Step 2: Convert to fraction form
    8,025.75/12,043.49 = 3,408.75/x
  3. Step 3: Cross multiply
    8,025.75x = 12,043.49 × 3,408.75
  4. Step 4: Simplify right side
    8,025.75x = 41,053,246.54
  5. Step 5: Solve for x
    x = 41,053,246.54/8,025.75
  6. Step 6: Final answer
    x = 5,115.19

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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.