Home / 10,806.58-16,210.68-3,787.12

Finding the Fourth Proportional to 10,806.58, 16,210.68 and 3,787.12

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Solution

The fourth proportional to 10,806.58, 16,210.68 and 3,787.12 is: 5,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.58 : 16,210.68 = 3,787.12 : x
  2. Step 2: Convert to fraction form
    10,806.58/16,210.68 = 3,787.12/x
  3. Step 3: Cross multiply
    10,806.58x = 16,210.68 × 3,787.12
  4. Step 4: Simplify right side
    10,806.58x = 61,391,790.44
  5. Step 5: Solve for x
    x = 61,391,790.44/10,806.58
  6. Step 6: Final answer
    x = 5,680.96

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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.