Home / 11,561.45-17,344.89-3,770.25

Finding the Fourth Proportional to 11,561.45, 17,344.89 and 3,770.25

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Solution

The fourth proportional to 11,561.45, 17,344.89 and 3,770.25 is: 5,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.45 : 17,344.89 = 3,770.25 : x
  2. Step 2: Convert to fraction form
    11,561.45/17,344.89 = 3,770.25/x
  3. Step 3: Cross multiply
    11,561.45x = 17,344.89 × 3,770.25
  4. Step 4: Simplify right side
    11,561.45x = 65,394,571.52
  5. Step 5: Solve for x
    x = 65,394,571.52/11,561.45
  6. Step 6: Final answer
    x = 5,656.26

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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.