Home / 9,151.26-13,718.72-3,306.56

Finding the Fourth Proportional to 9,151.26, 13,718.72 and 3,306.56

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Solution

The fourth proportional to 9,151.26, 13,718.72 and 3,306.56 is: 4,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.26 : 13,718.72 = 3,306.56 : x
  2. Step 2: Convert to fraction form
    9,151.26/13,718.72 = 3,306.56/x
  3. Step 3: Cross multiply
    9,151.26x = 13,718.72 × 3,306.56
  4. Step 4: Simplify right side
    9,151.26x = 45,361,770.80
  5. Step 5: Solve for x
    x = 45,361,770.80/9,151.26
  6. Step 6: Final answer
    x = 4,956.89

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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.