Home / 7,411.47-11,121.62-2,667.23

Finding the Fourth Proportional to 7,411.47, 11,121.62 and 2,667.23

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Solution

The fourth proportional to 7,411.47, 11,121.62 and 2,667.23 is: 4,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.47 : 11,121.62 = 2,667.23 : x
  2. Step 2: Convert to fraction form
    7,411.47/11,121.62 = 2,667.23/x
  3. Step 3: Cross multiply
    7,411.47x = 11,121.62 × 2,667.23
  4. Step 4: Simplify right side
    7,411.47x = 29,663,918.51
  5. Step 5: Solve for x
    x = 29,663,918.51/7,411.47
  6. Step 6: Final answer
    x = 4,002.43

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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.