Home / 11,422.60-17,135.10-3,629.60

Finding the Fourth Proportional to 11,422.60, 17,135.10 and 3,629.60

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Solution

The fourth proportional to 11,422.60, 17,135.10 and 3,629.60 is: 5,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.60 : 17,135.10 = 3,629.60 : x
  2. Step 2: Convert to fraction form
    11,422.60/17,135.10 = 3,629.60/x
  3. Step 3: Cross multiply
    11,422.60x = 17,135.10 × 3,629.60
  4. Step 4: Simplify right side
    11,422.60x = 62,193,558.96
  5. Step 5: Solve for x
    x = 62,193,558.96/11,422.60
  6. Step 6: Final answer
    x = 5,444.78

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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.