Home / 11,971.62-17,953.11-5,046.66

Finding the Fourth Proportional to 11,971.62, 17,953.11 and 5,046.66

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Solution

The fourth proportional to 11,971.62, 17,953.11 and 5,046.66 is: 7,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.62 : 17,953.11 = 5,046.66 : x
  2. Step 2: Convert to fraction form
    11,971.62/17,953.11 = 5,046.66/x
  3. Step 3: Cross multiply
    11,971.62x = 17,953.11 × 5,046.66
  4. Step 4: Simplify right side
    11,971.62x = 90,603,242.11
  5. Step 5: Solve for x
    x = 90,603,242.11/11,971.62
  6. Step 6: Final answer
    x = 7,568.17

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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.