Home / 11,552.49-17,328.72-2,787.41

Finding the Fourth Proportional to 11,552.49, 17,328.72 and 2,787.41

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Solution

The fourth proportional to 11,552.49, 17,328.72 and 2,787.41 is: 4,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.49 : 17,328.72 = 2,787.41 : x
  2. Step 2: Convert to fraction form
    11,552.49/17,328.72 = 2,787.41/x
  3. Step 3: Cross multiply
    11,552.49x = 17,328.72 × 2,787.41
  4. Step 4: Simplify right side
    11,552.49x = 48,302,160.77
  5. Step 5: Solve for x
    x = 48,302,160.77/11,552.49
  6. Step 6: Final answer
    x = 4,181.10

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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.