Home / 6,781.16-9,357.94-3,796.96

Finding the Fourth Proportional to 6,781.16, 9,357.94 and 3,796.96

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Solution

The fourth proportional to 6,781.16, 9,357.94 and 3,796.96 is: 5,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.16 : 9,357.94 = 3,796.96 : x
  2. Step 2: Convert to fraction form
    6,781.16/9,357.94 = 3,796.96/x
  3. Step 3: Cross multiply
    6,781.16x = 9,357.94 × 3,796.96
  4. Step 4: Simplify right side
    6,781.16x = 35,531,723.86
  5. Step 5: Solve for x
    x = 35,531,723.86/6,781.16
  6. Step 6: Final answer
    x = 5,239.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.