Home / 7,742.67-11,613.98-2,196.06

Finding the Fourth Proportional to 7,742.67, 11,613.98 and 2,196.06

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Solution

The fourth proportional to 7,742.67, 11,613.98 and 2,196.06 is: 3,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.67 : 11,613.98 = 2,196.06 : x
  2. Step 2: Convert to fraction form
    7,742.67/11,613.98 = 2,196.06/x
  3. Step 3: Cross multiply
    7,742.67x = 11,613.98 × 2,196.06
  4. Step 4: Simplify right side
    7,742.67x = 25,504,996.92
  5. Step 5: Solve for x
    x = 25,504,996.92/7,742.67
  6. Step 6: Final answer
    x = 3,294.08

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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.