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Finding the Fourth Proportional to 6,796.40, 9,379.48 and 3,812.43

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Solution

The fourth proportional to 6,796.40, 9,379.48 and 3,812.43 is: 5,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,796.40 : 9,379.48 = 3,812.43 : x
  2. Step 2: Convert to fraction form
    6,796.40/9,379.48 = 3,812.43/x
  3. Step 3: Cross multiply
    6,796.40x = 9,379.48 × 3,812.43
  4. Step 4: Simplify right side
    6,796.40x = 35,758,610.94
  5. Step 5: Solve for x
    x = 35,758,610.94/6,796.40
  6. Step 6: Final answer
    x = 5,261.40

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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.