Home / 12,408.96-18,617.22-5,012.04

Finding the Fourth Proportional to 12,408.96, 18,617.22 and 5,012.04

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Solution

The fourth proportional to 12,408.96, 18,617.22 and 5,012.04 is: 7,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.96 : 18,617.22 = 5,012.04 : x
  2. Step 2: Convert to fraction form
    12,408.96/18,617.22 = 5,012.04/x
  3. Step 3: Cross multiply
    12,408.96x = 18,617.22 × 5,012.04
  4. Step 4: Simplify right side
    12,408.96x = 93,310,251.33
  5. Step 5: Solve for x
    x = 93,310,251.33/12,408.96
  6. Step 6: Final answer
    x = 7,519.59

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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.