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Finding the Fourth Proportional to 8,608.55, 11,857.67 and 6,086.33

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Solution

The fourth proportional to 8,608.55, 11,857.67 and 6,086.33 is: 8,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.55 : 11,857.67 = 6,086.33 : x
  2. Step 2: Convert to fraction form
    8,608.55/11,857.67 = 6,086.33/x
  3. Step 3: Cross multiply
    8,608.55x = 11,857.67 × 6,086.33
  4. Step 4: Simplify right side
    8,608.55x = 72,169,602.93
  5. Step 5: Solve for x
    x = 72,169,602.93/8,608.55
  6. Step 6: Final answer
    x = 8,383.48

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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.