Home / 7,914.58-11,872.26-2,650.06

Finding the Fourth Proportional to 7,914.58, 11,872.26 and 2,650.06

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Solution

The fourth proportional to 7,914.58, 11,872.26 and 2,650.06 is: 3,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.58 : 11,872.26 = 2,650.06 : x
  2. Step 2: Convert to fraction form
    7,914.58/11,872.26 = 2,650.06/x
  3. Step 3: Cross multiply
    7,914.58x = 11,872.26 × 2,650.06
  4. Step 4: Simplify right side
    7,914.58x = 31,462,201.34
  5. Step 5: Solve for x
    x = 31,462,201.34/7,914.58
  6. Step 6: Final answer
    x = 3,975.22

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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.