Home / 7,941.02-11,912.75-2,098.09

Finding the Fourth Proportional to 7,941.02, 11,912.75 and 2,098.09

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Solution

The fourth proportional to 7,941.02, 11,912.75 and 2,098.09 is: 3,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.02 : 11,912.75 = 2,098.09 : x
  2. Step 2: Convert to fraction form
    7,941.02/11,912.75 = 2,098.09/x
  3. Step 3: Cross multiply
    7,941.02x = 11,912.75 × 2,098.09
  4. Step 4: Simplify right side
    7,941.02x = 24,994,021.65
  5. Step 5: Solve for x
    x = 24,994,021.65/7,941.02
  6. Step 6: Final answer
    x = 3,147.46

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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.