Home / 11,591.16-17,371.84-5,261.42

Finding the Fourth Proportional to 11,591.16, 17,371.84 and 5,261.42

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Solution

The fourth proportional to 11,591.16, 17,371.84 and 5,261.42 is: 7,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.16 : 17,371.84 = 5,261.42 : x
  2. Step 2: Convert to fraction form
    11,591.16/17,371.84 = 5,261.42/x
  3. Step 3: Cross multiply
    11,591.16x = 17,371.84 × 5,261.42
  4. Step 4: Simplify right side
    11,591.16x = 91,400,546.41
  5. Step 5: Solve for x
    x = 91,400,546.41/11,591.16
  6. Step 6: Final answer
    x = 7,885.37

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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.