Home / 11,552.90-17,329.19-2,787.74

Finding the Fourth Proportional to 11,552.90, 17,329.19 and 2,787.74

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Solution

The fourth proportional to 11,552.90, 17,329.19 and 2,787.74 is: 4,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.90 : 17,329.19 = 2,787.74 : x
  2. Step 2: Convert to fraction form
    11,552.90/17,329.19 = 2,787.74/x
  3. Step 3: Cross multiply
    11,552.90x = 17,329.19 × 2,787.74
  4. Step 4: Simplify right side
    11,552.90x = 48,309,276.13
  5. Step 5: Solve for x
    x = 48,309,276.13/11,552.90
  6. Step 6: Final answer
    x = 4,181.57

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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.