Home / 12,222.33-16,858.09-11,217.27

Finding the Fourth Proportional to 12,222.33, 16,858.09 and 11,217.27

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Solution

The fourth proportional to 12,222.33, 16,858.09 and 11,217.27 is: 15,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.33 : 16,858.09 = 11,217.27 : x
  2. Step 2: Convert to fraction form
    12,222.33/16,858.09 = 11,217.27/x
  3. Step 3: Cross multiply
    12,222.33x = 16,858.09 × 11,217.27
  4. Step 4: Simplify right side
    12,222.33x = 189,101,747.21
  5. Step 5: Solve for x
    x = 189,101,747.21/12,222.33
  6. Step 6: Final answer
    x = 15,471.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.