Home / 8,226.72-12,340.16-2,383.84

Finding the Fourth Proportional to 8,226.72, 12,340.16 and 2,383.84

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Solution

The fourth proportional to 8,226.72, 12,340.16 and 2,383.84 is: 3,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.72 : 12,340.16 = 2,383.84 : x
  2. Step 2: Convert to fraction form
    8,226.72/12,340.16 = 2,383.84/x
  3. Step 3: Cross multiply
    8,226.72x = 12,340.16 × 2,383.84
  4. Step 4: Simplify right side
    8,226.72x = 29,416,967.01
  5. Step 5: Solve for x
    x = 29,416,967.01/8,226.72
  6. Step 6: Final answer
    x = 3,575.78

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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.