Home / 8,226.45-12,336.78-2,301.74

Finding the Fourth Proportional to 8,226.45, 12,336.78 and 2,301.74

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Solution

The fourth proportional to 8,226.45, 12,336.78 and 2,301.74 is: 3,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.45 : 12,336.78 = 2,301.74 : x
  2. Step 2: Convert to fraction form
    8,226.45/12,336.78 = 2,301.74/x
  3. Step 3: Cross multiply
    8,226.45x = 12,336.78 × 2,301.74
  4. Step 4: Simplify right side
    8,226.45x = 28,396,062.87
  5. Step 5: Solve for x
    x = 28,396,062.87/8,226.45
  6. Step 6: Final answer
    x = 3,451.80

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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.