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Finding the Fourth Proportional to 12,150.95, 16,767.97 and 6,845.65

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Solution

The fourth proportional to 12,150.95, 16,767.97 and 6,845.65 is: 9,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.95 : 16,767.97 = 6,845.65 : x
  2. Step 2: Convert to fraction form
    12,150.95/16,767.97 = 6,845.65/x
  3. Step 3: Cross multiply
    12,150.95x = 16,767.97 × 6,845.65
  4. Step 4: Simplify right side
    12,150.95x = 114,787,653.83
  5. Step 5: Solve for x
    x = 114,787,653.83/12,150.95
  6. Step 6: Final answer
    x = 9,446.80

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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.