Home / 12,408.26-17,123.49-6,743.03

Finding the Fourth Proportional to 12,408.26, 17,123.49 and 6,743.03

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Solution

The fourth proportional to 12,408.26, 17,123.49 and 6,743.03 is: 9,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.26 : 17,123.49 = 6,743.03 : x
  2. Step 2: Convert to fraction form
    12,408.26/17,123.49 = 6,743.03/x
  3. Step 3: Cross multiply
    12,408.26x = 17,123.49 × 6,743.03
  4. Step 4: Simplify right side
    12,408.26x = 115,464,121.16
  5. Step 5: Solve for x
    x = 115,464,121.16/12,408.26
  6. Step 6: Final answer
    x = 9,305.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.