Home / 12,297.33-18,448.37-3,979.41

Finding the Fourth Proportional to 12,297.33, 18,448.37 and 3,979.41

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Solution

The fourth proportional to 12,297.33, 18,448.37 and 3,979.41 is: 5,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297.33 : 18,448.37 = 3,979.41 : x
  2. Step 2: Convert to fraction form
    12,297.33/18,448.37 = 3,979.41/x
  3. Step 3: Cross multiply
    12,297.33x = 18,448.37 × 3,979.41
  4. Step 4: Simplify right side
    12,297.33x = 73,413,608.16
  5. Step 5: Solve for x
    x = 73,413,608.16/12,297.33
  6. Step 6: Final answer
    x = 5,969.88

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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.