Home / 11,072.78-16,591.87-6,960.14

Finding the Fourth Proportional to 11,072.78, 16,591.87 and 6,960.14

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Solution

The fourth proportional to 11,072.78, 16,591.87 and 6,960.14 is: 10,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.78 : 16,591.87 = 6,960.14 : x
  2. Step 2: Convert to fraction form
    11,072.78/16,591.87 = 6,960.14/x
  3. Step 3: Cross multiply
    11,072.78x = 16,591.87 × 6,960.14
  4. Step 4: Simplify right side
    11,072.78x = 115,481,738.06
  5. Step 5: Solve for x
    x = 115,481,738.06/11,072.78
  6. Step 6: Final answer
    x = 10,429.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.