Home / 11,422.68-17,137.38-3,631.32

Finding the Fourth Proportional to 11,422.68, 17,137.38 and 3,631.32

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Solution

The fourth proportional to 11,422.68, 17,137.38 and 3,631.32 is: 5,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.68 : 17,137.38 = 3,631.32 : x
  2. Step 2: Convert to fraction form
    11,422.68/17,137.38 = 3,631.32/x
  3. Step 3: Cross multiply
    11,422.68x = 17,137.38 × 3,631.32
  4. Step 4: Simplify right side
    11,422.68x = 62,231,310.74
  5. Step 5: Solve for x
    x = 62,231,310.74/11,422.68
  6. Step 6: Final answer
    x = 5,448.05

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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.