Home / 7,460.82-11,193.14-2,781.11

Finding the Fourth Proportional to 7,460.82, 11,193.14 and 2,781.11

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Solution

The fourth proportional to 7,460.82, 11,193.14 and 2,781.11 is: 4,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460.82 : 11,193.14 = 2,781.11 : x
  2. Step 2: Convert to fraction form
    7,460.82/11,193.14 = 2,781.11/x
  3. Step 3: Cross multiply
    7,460.82x = 11,193.14 × 2,781.11
  4. Step 4: Simplify right side
    7,460.82x = 31,129,283.71
  5. Step 5: Solve for x
    x = 31,129,283.71/7,460.82
  6. Step 6: Final answer
    x = 4,172.37

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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.