Home / 11,998.45-16,557.78-6,963.63

Finding the Fourth Proportional to 11,998.45, 16,557.78 and 6,963.63

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Solution

The fourth proportional to 11,998.45, 16,557.78 and 6,963.63 is: 9,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.45 : 16,557.78 = 6,963.63 : x
  2. Step 2: Convert to fraction form
    11,998.45/16,557.78 = 6,963.63/x
  3. Step 3: Cross multiply
    11,998.45x = 16,557.78 × 6,963.63
  4. Step 4: Simplify right side
    11,998.45x = 115,302,253.54
  5. Step 5: Solve for x
    x = 115,302,253.54/11,998.45
  6. Step 6: Final answer
    x = 9,609.76

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Double scale
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Similar ratio
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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.