Home / 11,243.96-16,866.78-3,453.02

Finding the Fourth Proportional to 11,243.96, 16,866.78 and 3,453.02

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Solution

The fourth proportional to 11,243.96, 16,866.78 and 3,453.02 is: 5,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.96 : 16,866.78 = 3,453.02 : x
  2. Step 2: Convert to fraction form
    11,243.96/16,866.78 = 3,453.02/x
  3. Step 3: Cross multiply
    11,243.96x = 16,866.78 × 3,453.02
  4. Step 4: Simplify right side
    11,243.96x = 58,241,328.68
  5. Step 5: Solve for x
    x = 58,241,328.68/11,243.96
  6. Step 6: Final answer
    x = 5,179.79

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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.