Home / 11,660.40-17,485.44-3,338.52

Finding the Fourth Proportional to 11,660.40, 17,485.44 and 3,338.52

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Solution

The fourth proportional to 11,660.40, 17,485.44 and 3,338.52 is: 5,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.40 : 17,485.44 = 3,338.52 : x
  2. Step 2: Convert to fraction form
    11,660.40/17,485.44 = 3,338.52/x
  3. Step 3: Cross multiply
    11,660.40x = 17,485.44 × 3,338.52
  4. Step 4: Simplify right side
    11,660.40x = 58,375,491.15
  5. Step 5: Solve for x
    x = 58,375,491.15/11,660.40
  6. Step 6: Final answer
    x = 5,006.30

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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.