Home / 8,517.45-12,778.22-2,674.06

Finding the Fourth Proportional to 8,517.45, 12,778.22 and 2,674.06

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Solution

The fourth proportional to 8,517.45, 12,778.22 and 2,674.06 is: 4,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.45 : 12,778.22 = 2,674.06 : x
  2. Step 2: Convert to fraction form
    8,517.45/12,778.22 = 2,674.06/x
  3. Step 3: Cross multiply
    8,517.45x = 12,778.22 × 2,674.06
  4. Step 4: Simplify right side
    8,517.45x = 34,169,701.71
  5. Step 5: Solve for x
    x = 34,169,701.71/8,517.45
  6. Step 6: Final answer
    x = 4,011.73

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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.