Home / 11,755.56-17,631.72-3,963.36

Finding the Fourth Proportional to 11,755.56, 17,631.72 and 3,963.36

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Solution

The fourth proportional to 11,755.56, 17,631.72 and 3,963.36 is: 5,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.56 : 17,631.72 = 3,963.36 : x
  2. Step 2: Convert to fraction form
    11,755.56/17,631.72 = 3,963.36/x
  3. Step 3: Cross multiply
    11,755.56x = 17,631.72 × 3,963.36
  4. Step 4: Simplify right side
    11,755.56x = 69,880,853.78
  5. Step 5: Solve for x
    x = 69,880,853.78/11,755.56
  6. Step 6: Final answer
    x = 5,944.49

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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.