Home / 12,296.09-18,440.19-3,974.33

Finding the Fourth Proportional to 12,296.09, 18,440.19 and 3,974.33

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Solution

The fourth proportional to 12,296.09, 18,440.19 and 3,974.33 is: 5,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.09 : 18,440.19 = 3,974.33 : x
  2. Step 2: Convert to fraction form
    12,296.09/18,440.19 = 3,974.33/x
  3. Step 3: Cross multiply
    12,296.09x = 18,440.19 × 3,974.33
  4. Step 4: Simplify right side
    12,296.09x = 73,287,308.12
  5. Step 5: Solve for x
    x = 73,287,308.12/12,296.09
  6. Step 6: Final answer
    x = 5,960.21

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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.