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Finding the Fourth Proportional to 12,173.00, 16,798.20 and 6,868.31

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Solution

The fourth proportional to 12,173.00, 16,798.20 and 6,868.31 is: 9,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.00 : 16,798.20 = 6,868.31 : x
  2. Step 2: Convert to fraction form
    12,173.00/16,798.20 = 6,868.31/x
  3. Step 3: Cross multiply
    12,173.00x = 16,798.20 × 6,868.31
  4. Step 4: Simplify right side
    12,173.00x = 115,375,161.05
  5. Step 5: Solve for x
    x = 115,375,161.05/12,173.00
  6. Step 6: Final answer
    x = 9,477.96

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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.