Home / 10,787.61-16,184.25-3,392.31

Finding the Fourth Proportional to 10,787.61, 16,184.25 and 3,392.31

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Solution

The fourth proportional to 10,787.61, 16,184.25 and 3,392.31 is: 5,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.61 : 16,184.25 = 3,392.31 : x
  2. Step 2: Convert to fraction form
    10,787.61/16,184.25 = 3,392.31/x
  3. Step 3: Cross multiply
    10,787.61x = 16,184.25 × 3,392.31
  4. Step 4: Simplify right side
    10,787.61x = 54,901,993.12
  5. Step 5: Solve for x
    x = 54,901,993.12/10,787.61
  6. Step 6: Final answer
    x = 5,089.36

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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.