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Finding the Fourth Proportional to 11,661.59, 16,092.51 and 6,356.29

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Solution

The fourth proportional to 11,661.59, 16,092.51 and 6,356.29 is: 8,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.59 : 16,092.51 = 6,356.29 : x
  2. Step 2: Convert to fraction form
    11,661.59/16,092.51 = 6,356.29/x
  3. Step 3: Cross multiply
    11,661.59x = 16,092.51 × 6,356.29
  4. Step 4: Simplify right side
    11,661.59x = 102,288,579.93
  5. Step 5: Solve for x
    x = 102,288,579.93/11,661.59
  6. Step 6: Final answer
    x = 8,771.41

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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.