Home / 12,222.75-16,867.44-6,633.75

Finding the Fourth Proportional to 12,222.75, 16,867.44 and 6,633.75

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Solution

The fourth proportional to 12,222.75, 16,867.44 and 6,633.75 is: 9,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.75 : 16,867.44 = 6,633.75 : x
  2. Step 2: Convert to fraction form
    12,222.75/16,867.44 = 6,633.75/x
  3. Step 3: Cross multiply
    12,222.75x = 16,867.44 × 6,633.75
  4. Step 4: Simplify right side
    12,222.75x = 111,894,380.10
  5. Step 5: Solve for x
    x = 111,894,380.10/12,222.75
  6. Step 6: Final answer
    x = 9,154.60

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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.