Home / 11,481.47-17,222.44-3,690.28

Finding the Fourth Proportional to 11,481.47, 17,222.44 and 3,690.28

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Solution

The fourth proportional to 11,481.47, 17,222.44 and 3,690.28 is: 5,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.47 : 17,222.44 = 3,690.28 : x
  2. Step 2: Convert to fraction form
    11,481.47/17,222.44 = 3,690.28/x
  3. Step 3: Cross multiply
    11,481.47x = 17,222.44 × 3,690.28
  4. Step 4: Simplify right side
    11,481.47x = 63,555,625.88
  5. Step 5: Solve for x
    x = 63,555,625.88/11,481.47
  6. Step 6: Final answer
    x = 5,535.50

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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.