Home / 11,209.56-16,806.06-3,812.04

Finding the Fourth Proportional to 11,209.56, 16,806.06 and 3,812.04

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Solution

The fourth proportional to 11,209.56, 16,806.06 and 3,812.04 is: 5,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.56 : 16,806.06 = 3,812.04 : x
  2. Step 2: Convert to fraction form
    11,209.56/16,806.06 = 3,812.04/x
  3. Step 3: Cross multiply
    11,209.56x = 16,806.06 × 3,812.04
  4. Step 4: Simplify right side
    11,209.56x = 64,065,372.96
  5. Step 5: Solve for x
    x = 64,065,372.96/11,209.56
  6. Step 6: Final answer
    x = 5,715.24

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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.