Home / 11,481.29-17,222.21-3,690.17

Finding the Fourth Proportional to 11,481.29, 17,222.21 and 3,690.17

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Solution

The fourth proportional to 11,481.29, 17,222.21 and 3,690.17 is: 5,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.29 : 17,222.21 = 3,690.17 : x
  2. Step 2: Convert to fraction form
    11,481.29/17,222.21 = 3,690.17/x
  3. Step 3: Cross multiply
    11,481.29x = 17,222.21 × 3,690.17
  4. Step 4: Simplify right side
    11,481.29x = 63,552,778.11
  5. Step 5: Solve for x
    x = 63,552,778.11/11,481.29
  6. Step 6: Final answer
    x = 5,535.34

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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.