Home / 12,114.87-16,718.46-6,809.73

Finding the Fourth Proportional to 12,114.87, 16,718.46 and 6,809.73

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Solution

The fourth proportional to 12,114.87, 16,718.46 and 6,809.73 is: 9,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.87 : 16,718.46 = 6,809.73 : x
  2. Step 2: Convert to fraction form
    12,114.87/16,718.46 = 6,809.73/x
  3. Step 3: Cross multiply
    12,114.87x = 16,718.46 × 6,809.73
  4. Step 4: Simplify right side
    12,114.87x = 113,848,198.62
  5. Step 5: Solve for x
    x = 113,848,198.62/12,114.87
  6. Step 6: Final answer
    x = 9,397.39

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Double scale
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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.