Home / 11,742.42-17,613.66-3,956.70

Finding the Fourth Proportional to 11,742.42, 17,613.66 and 3,956.70

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Solution

The fourth proportional to 11,742.42, 17,613.66 and 3,956.70 is: 5,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.42 : 17,613.66 = 3,956.70 : x
  2. Step 2: Convert to fraction form
    11,742.42/17,613.66 = 3,956.70/x
  3. Step 3: Cross multiply
    11,742.42x = 17,613.66 × 3,956.70
  4. Step 4: Simplify right side
    11,742.42x = 69,691,968.52
  5. Step 5: Solve for x
    x = 69,691,968.52/11,742.42
  6. Step 6: Final answer
    x = 5,935.06

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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.