Home / 7,487.37-11,227.60-2,220.49

Finding the Fourth Proportional to 7,487.37, 11,227.60 and 2,220.49

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Solution

The fourth proportional to 7,487.37, 11,227.60 and 2,220.49 is: 3,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.37 : 11,227.60 = 2,220.49 : x
  2. Step 2: Convert to fraction form
    7,487.37/11,227.60 = 2,220.49/x
  3. Step 3: Cross multiply
    7,487.37x = 11,227.60 × 2,220.49
  4. Step 4: Simplify right side
    7,487.37x = 24,930,773.52
  5. Step 5: Solve for x
    x = 24,930,773.52/7,487.37
  6. Step 6: Final answer
    x = 3,329.71

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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.