Home / 11,452.82-17,257.26-9,418.40

Finding the Fourth Proportional to 11,452.82, 17,257.26 and 9,418.40

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Solution

The fourth proportional to 11,452.82, 17,257.26 and 9,418.40 is: 14,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.82 : 17,257.26 = 9,418.40 : x
  2. Step 2: Convert to fraction form
    11,452.82/17,257.26 = 9,418.40/x
  3. Step 3: Cross multiply
    11,452.82x = 17,257.26 × 9,418.40
  4. Step 4: Simplify right side
    11,452.82x = 162,535,820.73
  5. Step 5: Solve for x
    x = 162,535,820.73/11,452.82
  6. Step 6: Final answer
    x = 14,191.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.