Home / 8,860.06-12,222.39-6,760.54

Finding the Fourth Proportional to 8,860.06, 12,222.39 and 6,760.54

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Solution

The fourth proportional to 8,860.06, 12,222.39 and 6,760.54 is: 9,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.06 : 12,222.39 = 6,760.54 : x
  2. Step 2: Convert to fraction form
    8,860.06/12,222.39 = 6,760.54/x
  3. Step 3: Cross multiply
    8,860.06x = 12,222.39 × 6,760.54
  4. Step 4: Simplify right side
    8,860.06x = 82,629,956.49
  5. Step 5: Solve for x
    x = 82,629,956.49/8,860.06
  6. Step 6: Final answer
    x = 9,326.12

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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.