Home / 11,115.38-16,673.67-3,324.80

Finding the Fourth Proportional to 11,115.38, 16,673.67 and 3,324.80

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Solution

The fourth proportional to 11,115.38, 16,673.67 and 3,324.80 is: 4,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.38 : 16,673.67 = 3,324.80 : x
  2. Step 2: Convert to fraction form
    11,115.38/16,673.67 = 3,324.80/x
  3. Step 3: Cross multiply
    11,115.38x = 16,673.67 × 3,324.80
  4. Step 4: Simplify right side
    11,115.38x = 55,436,534.65
  5. Step 5: Solve for x
    x = 55,436,534.65/11,115.38
  6. Step 6: Final answer
    x = 4,987.37

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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.