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Finding the Fourth Proportional to 12,203.12, 16,843.32 and 8,017.04

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Solution

The fourth proportional to 12,203.12, 16,843.32 and 8,017.04 is: 11,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.12 : 16,843.32 = 8,017.04 : x
  2. Step 2: Convert to fraction form
    12,203.12/16,843.32 = 8,017.04/x
  3. Step 3: Cross multiply
    12,203.12x = 16,843.32 × 8,017.04
  4. Step 4: Simplify right side
    12,203.12x = 135,033,570.17
  5. Step 5: Solve for x
    x = 135,033,570.17/12,203.12
  6. Step 6: Final answer
    x = 11,065.50

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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.