Home / 11,964.79-17,945.92-3,200.59

Finding the Fourth Proportional to 11,964.79, 17,945.92 and 3,200.59

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Solution

The fourth proportional to 11,964.79, 17,945.92 and 3,200.59 is: 4,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.79 : 17,945.92 = 3,200.59 : x
  2. Step 2: Convert to fraction form
    11,964.79/17,945.92 = 3,200.59/x
  3. Step 3: Cross multiply
    11,964.79x = 17,945.92 × 3,200.59
  4. Step 4: Simplify right side
    11,964.79x = 57,437,426.36
  5. Step 5: Solve for x
    x = 57,437,426.36/11,964.79
  6. Step 6: Final answer
    x = 4,800.54

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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.