Home / 11,427.60-17,142.63-3,634.59

Finding the Fourth Proportional to 11,427.60, 17,142.63 and 3,634.59

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Solution

The fourth proportional to 11,427.60, 17,142.63 and 3,634.59 is: 5,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.60 : 17,142.63 = 3,634.59 : x
  2. Step 2: Convert to fraction form
    11,427.60/17,142.63 = 3,634.59/x
  3. Step 3: Cross multiply
    11,427.60x = 17,142.63 × 3,634.59
  4. Step 4: Simplify right side
    11,427.60x = 62,306,431.57
  5. Step 5: Solve for x
    x = 62,306,431.57/11,427.60
  6. Step 6: Final answer
    x = 5,452.28

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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.