Home / 11,826.28-17,743.08-5,251.92

Finding the Fourth Proportional to 11,826.28, 17,743.08 and 5,251.92

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Solution

The fourth proportional to 11,826.28, 17,743.08 and 5,251.92 is: 7,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.28 : 17,743.08 = 5,251.92 : x
  2. Step 2: Convert to fraction form
    11,826.28/17,743.08 = 5,251.92/x
  3. Step 3: Cross multiply
    11,826.28x = 17,743.08 × 5,251.92
  4. Step 4: Simplify right side
    11,826.28x = 93,185,236.71
  5. Step 5: Solve for x
    x = 93,185,236.71/11,826.28
  6. Step 6: Final answer
    x = 7,879.51

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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.