Home / 11,964.56-17,945.40-3,200.16

Finding the Fourth Proportional to 11,964.56, 17,945.40 and 3,200.16

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Solution

The fourth proportional to 11,964.56, 17,945.40 and 3,200.16 is: 4,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.56 : 17,945.40 = 3,200.16 : x
  2. Step 2: Convert to fraction form
    11,964.56/17,945.40 = 3,200.16/x
  3. Step 3: Cross multiply
    11,964.56x = 17,945.40 × 3,200.16
  4. Step 4: Simplify right side
    11,964.56x = 57,428,151.26
  5. Step 5: Solve for x
    x = 57,428,151.26/11,964.56
  6. Step 6: Final answer
    x = 4,799.85

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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.