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Finding the Fourth Proportional to 12,152, 16,767.94 and 6,846.70

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Solution

The fourth proportional to 12,152, 16,767.94 and 6,846.70 is: 9,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152 : 16,767.94 = 6,846.70 : x
  2. Step 2: Convert to fraction form
    12,152/16,767.94 = 6,846.70/x
  3. Step 3: Cross multiply
    12,152x = 16,767.94 × 6,846.70
  4. Step 4: Simplify right side
    12,152x = 114,805,054.80
  5. Step 5: Solve for x
    x = 114,805,054.80/12,152
  6. Step 6: Final answer
    x = 9,447.42

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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.