Home / 11,751.17-17,628.38-3,962.21

Finding the Fourth Proportional to 11,751.17, 17,628.38 and 3,962.21

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Solution

The fourth proportional to 11,751.17, 17,628.38 and 3,962.21 is: 5,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.17 : 17,628.38 = 3,962.21 : x
  2. Step 2: Convert to fraction form
    11,751.17/17,628.38 = 3,962.21/x
  3. Step 3: Cross multiply
    11,751.17x = 17,628.38 × 3,962.21
  4. Step 4: Simplify right side
    11,751.17x = 69,847,323.71
  5. Step 5: Solve for x
    x = 69,847,323.71/11,751.17
  6. Step 6: Final answer
    x = 5,943.86

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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.