Home / 12,049.62-18,072.60-3,285.22

Finding the Fourth Proportional to 12,049.62, 18,072.60 and 3,285.22

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Solution

The fourth proportional to 12,049.62, 18,072.60 and 3,285.22 is: 4,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.62 : 18,072.60 = 3,285.22 : x
  2. Step 2: Convert to fraction form
    12,049.62/18,072.60 = 3,285.22/x
  3. Step 3: Cross multiply
    12,049.62x = 18,072.60 × 3,285.22
  4. Step 4: Simplify right side
    12,049.62x = 59,372,466.97
  5. Step 5: Solve for x
    x = 59,372,466.97/12,049.62
  6. Step 6: Final answer
    x = 4,927.33

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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.