Home / 11,515.55-17,273.37-3,196.22

Finding the Fourth Proportional to 11,515.55, 17,273.37 and 3,196.22

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Solution

The fourth proportional to 11,515.55, 17,273.37 and 3,196.22 is: 4,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.55 : 17,273.37 = 3,196.22 : x
  2. Step 2: Convert to fraction form
    11,515.55/17,273.37 = 3,196.22/x
  3. Step 3: Cross multiply
    11,515.55x = 17,273.37 × 3,196.22
  4. Step 4: Simplify right side
    11,515.55x = 55,209,490.66
  5. Step 5: Solve for x
    x = 55,209,490.66/11,515.55
  6. Step 6: Final answer
    x = 4,794.34

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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.