Home / 7,736.39-11,604.88-2,190.22

Finding the Fourth Proportional to 7,736.39, 11,604.88 and 2,190.22

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Solution

The fourth proportional to 7,736.39, 11,604.88 and 2,190.22 is: 3,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.39 : 11,604.88 = 2,190.22 : x
  2. Step 2: Convert to fraction form
    7,736.39/11,604.88 = 2,190.22/x
  3. Step 3: Cross multiply
    7,736.39x = 11,604.88 × 2,190.22
  4. Step 4: Simplify right side
    7,736.39x = 25,417,240.27
  5. Step 5: Solve for x
    x = 25,417,240.27/7,736.39
  6. Step 6: Final answer
    x = 3,285.41

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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.