Home / 11,787.39-17,679.77-3,022.51

Finding the Fourth Proportional to 11,787.39, 17,679.77 and 3,022.51

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Solution

The fourth proportional to 11,787.39, 17,679.77 and 3,022.51 is: 4,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.39 : 17,679.77 = 3,022.51 : x
  2. Step 2: Convert to fraction form
    11,787.39/17,679.77 = 3,022.51/x
  3. Step 3: Cross multiply
    11,787.39x = 17,679.77 × 3,022.51
  4. Step 4: Simplify right side
    11,787.39x = 53,437,266.51
  5. Step 5: Solve for x
    x = 53,437,266.51/11,787.39
  6. Step 6: Final answer
    x = 4,533.43

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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.