Home / 12,304.46-18,456.77-3,984.44

Finding the Fourth Proportional to 12,304.46, 18,456.77 and 3,984.44

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Solution

The fourth proportional to 12,304.46, 18,456.77 and 3,984.44 is: 5,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.46 : 18,456.77 = 3,984.44 : x
  2. Step 2: Convert to fraction form
    12,304.46/18,456.77 = 3,984.44/x
  3. Step 3: Cross multiply
    12,304.46x = 18,456.77 × 3,984.44
  4. Step 4: Simplify right side
    12,304.46x = 73,539,872.74
  5. Step 5: Solve for x
    x = 73,539,872.74/12,304.46
  6. Step 6: Final answer
    x = 5,976.68

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1.5x scale

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.