Home / 8,667.24-12,998.38-2,824.36

Finding the Fourth Proportional to 8,667.24, 12,998.38 and 2,824.36

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Solution

The fourth proportional to 8,667.24, 12,998.38 and 2,824.36 is: 4,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.24 : 12,998.38 = 2,824.36 : x
  2. Step 2: Convert to fraction form
    8,667.24/12,998.38 = 2,824.36/x
  3. Step 3: Cross multiply
    8,667.24x = 12,998.38 × 2,824.36
  4. Step 4: Simplify right side
    8,667.24x = 36,712,104.54
  5. Step 5: Solve for x
    x = 36,712,104.54/8,667.24
  6. Step 6: Final answer
    x = 4,235.73

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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.