Home / 12,257.82-18,383.31-3,371.01

Finding the Fourth Proportional to 12,257.82, 18,383.31 and 3,371.01

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Solution

The fourth proportional to 12,257.82, 18,383.31 and 3,371.01 is: 5,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.82 : 18,383.31 = 3,371.01 : x
  2. Step 2: Convert to fraction form
    12,257.82/18,383.31 = 3,371.01/x
  3. Step 3: Cross multiply
    12,257.82x = 18,383.31 × 3,371.01
  4. Step 4: Simplify right side
    12,257.82x = 61,970,321.84
  5. Step 5: Solve for x
    x = 61,970,321.84/12,257.82
  6. Step 6: Final answer
    x = 5,055.57

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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.