Home / 11,240.60-16,860.29-3,449.41

Finding the Fourth Proportional to 11,240.60, 16,860.29 and 3,449.41

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Solution

The fourth proportional to 11,240.60, 16,860.29 and 3,449.41 is: 5,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.60 : 16,860.29 = 3,449.41 : x
  2. Step 2: Convert to fraction form
    11,240.60/16,860.29 = 3,449.41/x
  3. Step 3: Cross multiply
    11,240.60x = 16,860.29 × 3,449.41
  4. Step 4: Simplify right side
    11,240.60x = 58,157,993.53
  5. Step 5: Solve for x
    x = 58,157,993.53/11,240.60
  6. Step 6: Final answer
    x = 5,173.92

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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.