Home / 12,227.67-18,327.50-5,556.99

Finding the Fourth Proportional to 12,227.67, 18,327.50 and 5,556.99

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Solution

The fourth proportional to 12,227.67, 18,327.50 and 5,556.99 is: 8,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.67 : 18,327.50 = 5,556.99 : x
  2. Step 2: Convert to fraction form
    12,227.67/18,327.50 = 5,556.99/x
  3. Step 3: Cross multiply
    12,227.67x = 18,327.50 × 5,556.99
  4. Step 4: Simplify right side
    12,227.67x = 101,845,706.44
  5. Step 5: Solve for x
    x = 101,845,706.44/12,227.67
  6. Step 6: Final answer
    x = 8,329.12

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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.