Home / 9,149.10-13,723.68-3,306.18

Finding the Fourth Proportional to 9,149.10, 13,723.68 and 3,306.18

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Solution

The fourth proportional to 9,149.10, 13,723.68 and 3,306.18 is: 4,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.10 : 13,723.68 = 3,306.18 : x
  2. Step 2: Convert to fraction form
    9,149.10/13,723.68 = 3,306.18/x
  3. Step 3: Cross multiply
    9,149.10x = 13,723.68 × 3,306.18
  4. Step 4: Simplify right side
    9,149.10x = 45,372,956.34
  5. Step 5: Solve for x
    x = 45,372,956.34/9,149.10
  6. Step 6: Final answer
    x = 4,959.28

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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.