Home / 11,453.60-17,180.40-3,662.48

Finding the Fourth Proportional to 11,453.60, 17,180.40 and 3,662.48

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Solution

The fourth proportional to 11,453.60, 17,180.40 and 3,662.48 is: 5,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.60 : 17,180.40 = 3,662.48 : x
  2. Step 2: Convert to fraction form
    11,453.60/17,180.40 = 3,662.48/x
  3. Step 3: Cross multiply
    11,453.60x = 17,180.40 × 3,662.48
  4. Step 4: Simplify right side
    11,453.60x = 62,922,871.39
  5. Step 5: Solve for x
    x = 62,922,871.39/11,453.60
  6. Step 6: Final answer
    x = 5,493.72

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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.