Home / 12,052.25-18,076.55-3,287.85

Finding the Fourth Proportional to 12,052.25, 18,076.55 and 3,287.85

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Solution

The fourth proportional to 12,052.25, 18,076.55 and 3,287.85 is: 4,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.25 : 18,076.55 = 3,287.85 : x
  2. Step 2: Convert to fraction form
    12,052.25/18,076.55 = 3,287.85/x
  3. Step 3: Cross multiply
    12,052.25x = 18,076.55 × 3,287.85
  4. Step 4: Simplify right side
    12,052.25x = 59,432,968.48
  5. Step 5: Solve for x
    x = 59,432,968.48/12,052.25
  6. Step 6: Final answer
    x = 4,931.28

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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.