Home / 9,222.07-12,723.39-7,212.73

Finding the Fourth Proportional to 9,222.07, 12,723.39 and 7,212.73

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Solution

The fourth proportional to 9,222.07, 12,723.39 and 7,212.73 is: 9,951.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.07 : 12,723.39 = 7,212.73 : x
  2. Step 2: Convert to fraction form
    9,222.07/12,723.39 = 7,212.73/x
  3. Step 3: Cross multiply
    9,222.07x = 12,723.39 × 7,212.73
  4. Step 4: Simplify right side
    9,222.07x = 91,770,376.75
  5. Step 5: Solve for x
    x = 91,770,376.75/9,222.07
  6. Step 6: Final answer
    x = 9,951.17

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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.