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Finding the Fourth Proportional to 8,296.28, 11,460.06 and 6,629.38

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Solution

The fourth proportional to 8,296.28, 11,460.06 and 6,629.38 is: 9,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.28 : 11,460.06 = 6,629.38 : x
  2. Step 2: Convert to fraction form
    8,296.28/11,460.06 = 6,629.38/x
  3. Step 3: Cross multiply
    8,296.28x = 11,460.06 × 6,629.38
  4. Step 4: Simplify right side
    8,296.28x = 75,973,092.56
  5. Step 5: Solve for x
    x = 75,973,092.56/8,296.28
  6. Step 6: Final answer
    x = 9,157.49

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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.