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Finding the Fourth Proportional to 11,992.59, 16,551.34 and 8,646.48

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Solution

The fourth proportional to 11,992.59, 16,551.34 and 8,646.48 is: 11,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.59 : 16,551.34 = 8,646.48 : x
  2. Step 2: Convert to fraction form
    11,992.59/16,551.34 = 8,646.48/x
  3. Step 3: Cross multiply
    11,992.59x = 16,551.34 × 8,646.48
  4. Step 4: Simplify right side
    11,992.59x = 143,110,808.67
  5. Step 5: Solve for x
    x = 143,110,808.67/11,992.59
  6. Step 6: Final answer
    x = 11,933.27

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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.