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Finding the Fourth Proportional to 12,101.91, 16,700.63 and 6,796.73

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Solution

The fourth proportional to 12,101.91, 16,700.63 and 6,796.73 is: 9,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.91 : 16,700.63 = 6,796.73 : x
  2. Step 2: Convert to fraction form
    12,101.91/16,700.63 = 6,796.73/x
  3. Step 3: Cross multiply
    12,101.91x = 16,700.63 × 6,796.73
  4. Step 4: Simplify right side
    12,101.91x = 113,509,625.00
  5. Step 5: Solve for x
    x = 113,509,625.00/12,101.91
  6. Step 6: Final answer
    x = 9,379.48

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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.