Home / 12,226.12-18,338.94-2,992.12

Finding the Fourth Proportional to 12,226.12, 18,338.94 and 2,992.12

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Solution

The fourth proportional to 12,226.12, 18,338.94 and 2,992.12 is: 4,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.12 : 18,338.94 = 2,992.12 : x
  2. Step 2: Convert to fraction form
    12,226.12/18,338.94 = 2,992.12/x
  3. Step 3: Cross multiply
    12,226.12x = 18,338.94 × 2,992.12
  4. Step 4: Simplify right side
    12,226.12x = 54,872,309.15
  5. Step 5: Solve for x
    x = 54,872,309.15/12,226.12
  6. Step 6: Final answer
    x = 4,488.12

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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.