Home / 11,969.80-17,943.34-4,176.52

Finding the Fourth Proportional to 11,969.80, 17,943.34 and 4,176.52

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Solution

The fourth proportional to 11,969.80, 17,943.34 and 4,176.52 is: 6,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.80 : 17,943.34 = 4,176.52 : x
  2. Step 2: Convert to fraction form
    11,969.80/17,943.34 = 4,176.52/x
  3. Step 3: Cross multiply
    11,969.80x = 17,943.34 × 4,176.52
  4. Step 4: Simplify right side
    11,969.80x = 74,940,718.38
  5. Step 5: Solve for x
    x = 74,940,718.38/11,969.80
  6. Step 6: Final answer
    x = 6,260.82

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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.