Home / 11,515.92-17,273.94-3,196.60

Finding the Fourth Proportional to 11,515.92, 17,273.94 and 3,196.60

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Solution

The fourth proportional to 11,515.92, 17,273.94 and 3,196.60 is: 4,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.92 : 17,273.94 = 3,196.60 : x
  2. Step 2: Convert to fraction form
    11,515.92/17,273.94 = 3,196.60/x
  3. Step 3: Cross multiply
    11,515.92x = 17,273.94 × 3,196.60
  4. Step 4: Simplify right side
    11,515.92x = 55,217,876.60
  5. Step 5: Solve for x
    x = 55,217,876.60/11,515.92
  6. Step 6: Final answer
    x = 4,794.92

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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.