Home / 12,199.46-18,301.96-4,408.28

Finding the Fourth Proportional to 12,199.46, 18,301.96 and 4,408.28

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Solution

The fourth proportional to 12,199.46, 18,301.96 and 4,408.28 is: 6,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.46 : 18,301.96 = 4,408.28 : x
  2. Step 2: Convert to fraction form
    12,199.46/18,301.96 = 4,408.28/x
  3. Step 3: Cross multiply
    12,199.46x = 18,301.96 × 4,408.28
  4. Step 4: Simplify right side
    12,199.46x = 80,680,164.23
  5. Step 5: Solve for x
    x = 80,680,164.23/12,199.46
  6. Step 6: Final answer
    x = 6,613.42

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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.