Home / 12,001.62-18,001.14-3,237.42

Finding the Fourth Proportional to 12,001.62, 18,001.14 and 3,237.42

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Solution

The fourth proportional to 12,001.62, 18,001.14 and 3,237.42 is: 4,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.62 : 18,001.14 = 3,237.42 : x
  2. Step 2: Convert to fraction form
    12,001.62/18,001.14 = 3,237.42/x
  3. Step 3: Cross multiply
    12,001.62x = 18,001.14 × 3,237.42
  4. Step 4: Simplify right side
    12,001.62x = 58,277,250.66
  5. Step 5: Solve for x
    x = 58,277,250.66/12,001.62
  6. Step 6: Final answer
    x = 4,855.78

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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.