Home / 8,166.75-12,250.69-3,236.39

Finding the Fourth Proportional to 8,166.75, 12,250.69 and 3,236.39

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Solution

The fourth proportional to 8,166.75, 12,250.69 and 3,236.39 is: 4,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.75 : 12,250.69 = 3,236.39 : x
  2. Step 2: Convert to fraction form
    8,166.75/12,250.69 = 3,236.39/x
  3. Step 3: Cross multiply
    8,166.75x = 12,250.69 × 3,236.39
  4. Step 4: Simplify right side
    8,166.75x = 39,648,010.61
  5. Step 5: Solve for x
    x = 39,648,010.61/8,166.75
  6. Step 6: Final answer
    x = 4,854.81

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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.