Home / 10,787.60-16,183.71-6,109.82

Finding the Fourth Proportional to 10,787.60, 16,183.71 and 6,109.82

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Solution

The fourth proportional to 10,787.60, 16,183.71 and 6,109.82 is: 9,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.60 : 16,183.71 = 6,109.82 : x
  2. Step 2: Convert to fraction form
    10,787.60/16,183.71 = 6,109.82/x
  3. Step 3: Cross multiply
    10,787.60x = 16,183.71 × 6,109.82
  4. Step 4: Simplify right side
    10,787.60x = 98,879,555.03
  5. Step 5: Solve for x
    x = 98,879,555.03/10,787.60
  6. Step 6: Final answer
    x = 9,166.04

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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.