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Finding the Fourth Proportional to 12,243.08, 16,894.08 and 6,936.76

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Solution

The fourth proportional to 12,243.08, 16,894.08 and 6,936.76 is: 9,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.08 : 16,894.08 = 6,936.76 : x
  2. Step 2: Convert to fraction form
    12,243.08/16,894.08 = 6,936.76/x
  3. Step 3: Cross multiply
    12,243.08x = 16,894.08 × 6,936.76
  4. Step 4: Simplify right side
    12,243.08x = 117,190,178.38
  5. Step 5: Solve for x
    x = 117,190,178.38/12,243.08
  6. Step 6: Final answer
    x = 9,571.95

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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.