Home / 8,021.92-12,033.75-2,098.90

Finding the Fourth Proportional to 8,021.92, 12,033.75 and 2,098.90

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Solution

The fourth proportional to 8,021.92, 12,033.75 and 2,098.90 is: 3,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.92 : 12,033.75 = 2,098.90 : x
  2. Step 2: Convert to fraction form
    8,021.92/12,033.75 = 2,098.90/x
  3. Step 3: Cross multiply
    8,021.92x = 12,033.75 × 2,098.90
  4. Step 4: Simplify right side
    8,021.92x = 25,257,637.88
  5. Step 5: Solve for x
    x = 25,257,637.88/8,021.92
  6. Step 6: Final answer
    x = 3,148.58

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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.