Home / 11,749.64-17,613.65-5,081.96

Finding the Fourth Proportional to 11,749.64, 17,613.65 and 5,081.96

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Solution

The fourth proportional to 11,749.64, 17,613.65 and 5,081.96 is: 7,618.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.64 : 17,613.65 = 5,081.96 : x
  2. Step 2: Convert to fraction form
    11,749.64/17,613.65 = 5,081.96/x
  3. Step 3: Cross multiply
    11,749.64x = 17,613.65 × 5,081.96
  4. Step 4: Simplify right side
    11,749.64x = 89,511,751.28
  5. Step 5: Solve for x
    x = 89,511,751.28/11,749.64
  6. Step 6: Final answer
    x = 7,618.26

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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.