Home / 8,218.22-12,326.11-3,022.88

Finding the Fourth Proportional to 8,218.22, 12,326.11 and 3,022.88

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Solution

The fourth proportional to 8,218.22, 12,326.11 and 3,022.88 is: 4,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.22 : 12,326.11 = 3,022.88 : x
  2. Step 2: Convert to fraction form
    8,218.22/12,326.11 = 3,022.88/x
  3. Step 3: Cross multiply
    8,218.22x = 12,326.11 × 3,022.88
  4. Step 4: Simplify right side
    8,218.22x = 37,260,282.21
  5. Step 5: Solve for x
    x = 37,260,282.21/8,218.22
  6. Step 6: Final answer
    x = 4,533.87

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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.