Home / 7,940.06-11,909.88-2,096.72

Finding the Fourth Proportional to 7,940.06, 11,909.88 and 2,096.72

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Solution

The fourth proportional to 7,940.06, 11,909.88 and 2,096.72 is: 3,145.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.06 : 11,909.88 = 2,096.72 : x
  2. Step 2: Convert to fraction form
    7,940.06/11,909.88 = 2,096.72/x
  3. Step 3: Cross multiply
    7,940.06x = 11,909.88 × 2,096.72
  4. Step 4: Simplify right side
    7,940.06x = 24,971,613.56
  5. Step 5: Solve for x
    x = 24,971,613.56/7,940.06
  6. Step 6: Final answer
    x = 3,145.02

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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.