Home / 7,923.74-11,884.52-2,080.76

Finding the Fourth Proportional to 7,923.74, 11,884.52 and 2,080.76

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Solution

The fourth proportional to 7,923.74, 11,884.52 and 2,080.76 is: 3,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.74 : 11,884.52 = 2,080.76 : x
  2. Step 2: Convert to fraction form
    7,923.74/11,884.52 = 2,080.76/x
  3. Step 3: Cross multiply
    7,923.74x = 11,884.52 × 2,080.76
  4. Step 4: Simplify right side
    7,923.74x = 24,728,833.84
  5. Step 5: Solve for x
    x = 24,728,833.84/7,923.74
  6. Step 6: Final answer
    x = 3,120.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.