Home / 12,167.82-18,251.68-4,767.05

Finding the Fourth Proportional to 12,167.82, 18,251.68 and 4,767.05

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Solution

The fourth proportional to 12,167.82, 18,251.68 and 4,767.05 is: 7,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.82 : 18,251.68 = 4,767.05 : x
  2. Step 2: Convert to fraction form
    12,167.82/18,251.68 = 4,767.05/x
  3. Step 3: Cross multiply
    12,167.82x = 18,251.68 × 4,767.05
  4. Step 4: Simplify right side
    12,167.82x = 87,006,713.79
  5. Step 5: Solve for x
    x = 87,006,713.79/12,167.82
  6. Step 6: Final answer
    x = 7,150.56

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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.