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Finding the Fourth Proportional to 6,796.19, 9,379.17 and 3,812.21

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Solution

The fourth proportional to 6,796.19, 9,379.17 and 3,812.21 is: 5,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,796.19 : 9,379.17 = 3,812.21 : x
  2. Step 2: Convert to fraction form
    6,796.19/9,379.17 = 3,812.21/x
  3. Step 3: Cross multiply
    6,796.19x = 9,379.17 × 3,812.21
  4. Step 4: Simplify right side
    6,796.19x = 35,755,374.82
  5. Step 5: Solve for x
    x = 35,755,374.82/6,796.19
  6. Step 6: Final answer
    x = 5,261.09

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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.