Home / 7,941.94-11,912.67-2,098.60

Finding the Fourth Proportional to 7,941.94, 11,912.67 and 2,098.60

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Solution

The fourth proportional to 7,941.94, 11,912.67 and 2,098.60 is: 3,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.94 : 11,912.67 = 2,098.60 : x
  2. Step 2: Convert to fraction form
    7,941.94/11,912.67 = 2,098.60/x
  3. Step 3: Cross multiply
    7,941.94x = 11,912.67 × 2,098.60
  4. Step 4: Simplify right side
    7,941.94x = 24,999,929.26
  5. Step 5: Solve for x
    x = 24,999,929.26/7,941.94
  6. Step 6: Final answer
    x = 3,147.84

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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.