Home / 8,083.16-12,124.93-2,239.82

Finding the Fourth Proportional to 8,083.16, 12,124.93 and 2,239.82

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Solution

The fourth proportional to 8,083.16, 12,124.93 and 2,239.82 is: 3,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.16 : 12,124.93 = 2,239.82 : x
  2. Step 2: Convert to fraction form
    8,083.16/12,124.93 = 2,239.82/x
  3. Step 3: Cross multiply
    8,083.16x = 12,124.93 × 2,239.82
  4. Step 4: Simplify right side
    8,083.16x = 27,157,660.71
  5. Step 5: Solve for x
    x = 27,157,660.71/8,083.16
  6. Step 6: Final answer
    x = 3,359.78

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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.