Home / 8,132.80-12,202.74-3,206.02

Finding the Fourth Proportional to 8,132.80, 12,202.74 and 3,206.02

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Solution

The fourth proportional to 8,132.80, 12,202.74 and 3,206.02 is: 4,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.80 : 12,202.74 = 3,206.02 : x
  2. Step 2: Convert to fraction form
    8,132.80/12,202.74 = 3,206.02/x
  3. Step 3: Cross multiply
    8,132.80x = 12,202.74 × 3,206.02
  4. Step 4: Simplify right side
    8,132.80x = 39,122,228.49
  5. Step 5: Solve for x
    x = 39,122,228.49/8,132.80
  6. Step 6: Final answer
    x = 4,810.43

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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.