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Finding the Fourth Proportional to 12,166.04, 16,787.84 and 6,860.82

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Solution

The fourth proportional to 12,166.04, 16,787.84 and 6,860.82 is: 9,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.04 : 16,787.84 = 6,860.82 : x
  2. Step 2: Convert to fraction form
    12,166.04/16,787.84 = 6,860.82/x
  3. Step 3: Cross multiply
    12,166.04x = 16,787.84 × 6,860.82
  4. Step 4: Simplify right side
    12,166.04x = 115,178,348.43
  5. Step 5: Solve for x
    x = 115,178,348.43/12,166.04
  6. Step 6: Final answer
    x = 9,467.20

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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.