Home / 11,716.72-17,573.20-5,481.08

Finding the Fourth Proportional to 11,716.72, 17,573.20 and 5,481.08

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Solution

The fourth proportional to 11,716.72, 17,573.20 and 5,481.08 is: 8,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.72 : 17,573.20 = 5,481.08 : x
  2. Step 2: Convert to fraction form
    11,716.72/17,573.20 = 5,481.08/x
  3. Step 3: Cross multiply
    11,716.72x = 17,573.20 × 5,481.08
  4. Step 4: Simplify right side
    11,716.72x = 96,320,115.06
  5. Step 5: Solve for x
    x = 96,320,115.06/11,716.72
  6. Step 6: Final answer
    x = 8,220.74

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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.