Home / 12,436.44-17,161.97-6,771.07

Finding the Fourth Proportional to 12,436.44, 17,161.97 and 6,771.07

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Solution

The fourth proportional to 12,436.44, 17,161.97 and 6,771.07 is: 9,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.44 : 17,161.97 = 6,771.07 : x
  2. Step 2: Convert to fraction form
    12,436.44/17,161.97 = 6,771.07/x
  3. Step 3: Cross multiply
    12,436.44x = 17,161.97 × 6,771.07
  4. Step 4: Simplify right side
    12,436.44x = 116,204,858.58
  5. Step 5: Solve for x
    x = 116,204,858.58/12,436.44
  6. Step 6: Final answer
    x = 9,343.90

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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.