Home / 11,353.75-17,023.25-5,427.43

Finding the Fourth Proportional to 11,353.75, 17,023.25 and 5,427.43

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Solution

The fourth proportional to 11,353.75, 17,023.25 and 5,427.43 is: 8,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.75 : 17,023.25 = 5,427.43 : x
  2. Step 2: Convert to fraction form
    11,353.75/17,023.25 = 5,427.43/x
  3. Step 3: Cross multiply
    11,353.75x = 17,023.25 × 5,427.43
  4. Step 4: Simplify right side
    11,353.75x = 92,392,470.61
  5. Step 5: Solve for x
    x = 92,392,470.61/11,353.75
  6. Step 6: Final answer
    x = 8,137.62

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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.