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Finding the Fourth Proportional to 11,958.15, 16,502.22 and 6,652.84

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Solution

The fourth proportional to 11,958.15, 16,502.22 and 6,652.84 is: 9,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.15 : 16,502.22 = 6,652.84 : x
  2. Step 2: Convert to fraction form
    11,958.15/16,502.22 = 6,652.84/x
  3. Step 3: Cross multiply
    11,958.15x = 16,502.22 × 6,652.84
  4. Step 4: Simplify right side
    11,958.15x = 109,786,629.30
  5. Step 5: Solve for x
    x = 109,786,629.30/11,958.15
  6. Step 6: Final answer
    x = 9,180.90

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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.