Home / 11,245.87-16,867.36-3,454.03

Finding the Fourth Proportional to 11,245.87, 16,867.36 and 3,454.03

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Solution

The fourth proportional to 11,245.87, 16,867.36 and 3,454.03 is: 5,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.87 : 16,867.36 = 3,454.03 : x
  2. Step 2: Convert to fraction form
    11,245.87/16,867.36 = 3,454.03/x
  3. Step 3: Cross multiply
    11,245.87x = 16,867.36 × 3,454.03
  4. Step 4: Simplify right side
    11,245.87x = 58,260,367.46
  5. Step 5: Solve for x
    x = 58,260,367.46/11,245.87
  6. Step 6: Final answer
    x = 5,180.60

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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.