Home / 11,781.44-17,672.16-5,536.87

Finding the Fourth Proportional to 11,781.44, 17,672.16 and 5,536.87

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Solution

The fourth proportional to 11,781.44, 17,672.16 and 5,536.87 is: 8,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.44 : 17,672.16 = 5,536.87 : x
  2. Step 2: Convert to fraction form
    11,781.44/17,672.16 = 5,536.87/x
  3. Step 3: Cross multiply
    11,781.44x = 17,672.16 × 5,536.87
  4. Step 4: Simplify right side
    11,781.44x = 97,848,452.54
  5. Step 5: Solve for x
    x = 97,848,452.54/11,781.44
  6. Step 6: Final answer
    x = 8,305.31

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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.