Home / 12,217.38-18,326.94-5,982.60

Finding the Fourth Proportional to 12,217.38, 18,326.94 and 5,982.60

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Solution

The fourth proportional to 12,217.38, 18,326.94 and 5,982.60 is: 8,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.38 : 18,326.94 = 5,982.60 : x
  2. Step 2: Convert to fraction form
    12,217.38/18,326.94 = 5,982.60/x
  3. Step 3: Cross multiply
    12,217.38x = 18,326.94 × 5,982.60
  4. Step 4: Simplify right side
    12,217.38x = 109,642,751.24
  5. Step 5: Solve for x
    x = 109,642,751.24/12,217.38
  6. Step 6: Final answer
    x = 8,974.33

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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.