Home / 8,122.02-12,184.30-3,442.04

Finding the Fourth Proportional to 8,122.02, 12,184.30 and 3,442.04

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Solution

The fourth proportional to 8,122.02, 12,184.30 and 3,442.04 is: 5,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.02 : 12,184.30 = 3,442.04 : x
  2. Step 2: Convert to fraction form
    8,122.02/12,184.30 = 3,442.04/x
  3. Step 3: Cross multiply
    8,122.02x = 12,184.30 × 3,442.04
  4. Step 4: Simplify right side
    8,122.02x = 41,938,847.97
  5. Step 5: Solve for x
    x = 41,938,847.97/8,122.02
  6. Step 6: Final answer
    x = 5,163.60

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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.