Home / 11,427.60-17,142.66-3,634.60

Finding the Fourth Proportional to 11,427.60, 17,142.66 and 3,634.60

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Solution

The fourth proportional to 11,427.60, 17,142.66 and 3,634.60 is: 5,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.60 : 17,142.66 = 3,634.60 : x
  2. Step 2: Convert to fraction form
    11,427.60/17,142.66 = 3,634.60/x
  3. Step 3: Cross multiply
    11,427.60x = 17,142.66 × 3,634.60
  4. Step 4: Simplify right side
    11,427.60x = 62,306,712.04
  5. Step 5: Solve for x
    x = 62,306,712.04/11,427.60
  6. Step 6: Final answer
    x = 5,452.30

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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.