Home / 12,222.96-16,867.66-6,633.96

Finding the Fourth Proportional to 12,222.96, 16,867.66 and 6,633.96

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Solution

The fourth proportional to 12,222.96, 16,867.66 and 6,633.96 is: 9,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.96 : 16,867.66 = 6,633.96 : x
  2. Step 2: Convert to fraction form
    12,222.96/16,867.66 = 6,633.96/x
  3. Step 3: Cross multiply
    12,222.96x = 16,867.66 × 6,633.96
  4. Step 4: Simplify right side
    12,222.96x = 111,899,381.73
  5. Step 5: Solve for x
    x = 111,899,381.73/12,222.96
  6. Step 6: Final answer
    x = 9,154.85

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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.