Home / 7,824.07-11,736.20-2,629.95

Finding the Fourth Proportional to 7,824.07, 11,736.20 and 2,629.95

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Solution

The fourth proportional to 7,824.07, 11,736.20 and 2,629.95 is: 3,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.07 : 11,736.20 = 2,629.95 : x
  2. Step 2: Convert to fraction form
    7,824.07/11,736.20 = 2,629.95/x
  3. Step 3: Cross multiply
    7,824.07x = 11,736.20 × 2,629.95
  4. Step 4: Simplify right side
    7,824.07x = 30,865,619.19
  5. Step 5: Solve for x
    x = 30,865,619.19/7,824.07
  6. Step 6: Final answer
    x = 3,944.96

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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.