Home / 7,633.71-11,450.43-2,087.64

Finding the Fourth Proportional to 7,633.71, 11,450.43 and 2,087.64

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Solution

The fourth proportional to 7,633.71, 11,450.43 and 2,087.64 is: 3,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.71 : 11,450.43 = 2,087.64 : x
  2. Step 2: Convert to fraction form
    7,633.71/11,450.43 = 2,087.64/x
  3. Step 3: Cross multiply
    7,633.71x = 11,450.43 × 2,087.64
  4. Step 4: Simplify right side
    7,633.71x = 23,904,375.69
  5. Step 5: Solve for x
    x = 23,904,375.69/7,633.71
  6. Step 6: Final answer
    x = 3,131.42

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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.