Home / 7,900.26-11,846.43-2,633.42

Finding the Fourth Proportional to 7,900.26, 11,846.43 and 2,633.42

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Solution

The fourth proportional to 7,900.26, 11,846.43 and 2,633.42 is: 3,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.26 : 11,846.43 = 2,633.42 : x
  2. Step 2: Convert to fraction form
    7,900.26/11,846.43 = 2,633.42/x
  3. Step 3: Cross multiply
    7,900.26x = 11,846.43 × 2,633.42
  4. Step 4: Simplify right side
    7,900.26x = 31,196,625.69
  5. Step 5: Solve for x
    x = 31,196,625.69/7,900.26
  6. Step 6: Final answer
    x = 3,948.81

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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.