Home / 8,198.88-12,302.04-3,003.60

Finding the Fourth Proportional to 8,198.88, 12,302.04 and 3,003.60

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Solution

The fourth proportional to 8,198.88, 12,302.04 and 3,003.60 is: 4,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.88 : 12,302.04 = 3,003.60 : x
  2. Step 2: Convert to fraction form
    8,198.88/12,302.04 = 3,003.60/x
  3. Step 3: Cross multiply
    8,198.88x = 12,302.04 × 3,003.60
  4. Step 4: Simplify right side
    8,198.88x = 36,950,407.34
  5. Step 5: Solve for x
    x = 36,950,407.34/8,198.88
  6. Step 6: Final answer
    x = 4,506.76

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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.