Home / 11,972.25-17,958.38-3,764.25

Finding the Fourth Proportional to 11,972.25, 17,958.38 and 3,764.25

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Solution

The fourth proportional to 11,972.25, 17,958.38 and 3,764.25 is: 5,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.25 : 17,958.38 = 3,764.25 : x
  2. Step 2: Convert to fraction form
    11,972.25/17,958.38 = 3,764.25/x
  3. Step 3: Cross multiply
    11,972.25x = 17,958.38 × 3,764.25
  4. Step 4: Simplify right side
    11,972.25x = 67,599,813.09
  5. Step 5: Solve for x
    x = 67,599,813.09/11,972.25
  6. Step 6: Final answer
    x = 5,646.38

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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.