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Finding the Fourth Proportional to 12,245.00, 16,893.26 and 7,994.71

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Solution

The fourth proportional to 12,245.00, 16,893.26 and 7,994.71 is: 11,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.00 : 16,893.26 = 7,994.71 : x
  2. Step 2: Convert to fraction form
    12,245.00/16,893.26 = 7,994.71/x
  3. Step 3: Cross multiply
    12,245.00x = 16,893.26 × 7,994.71
  4. Step 4: Simplify right side
    12,245.00x = 135,056,632.45
  5. Step 5: Solve for x
    x = 135,056,632.45/12,245.00
  6. Step 6: Final answer
    x = 11,029.53

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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.