Home / 11,202.51-16,806.20-3,411.12

Finding the Fourth Proportional to 11,202.51, 16,806.20 and 3,411.12

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Solution

The fourth proportional to 11,202.51, 16,806.20 and 3,411.12 is: 5,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.51 : 16,806.20 = 3,411.12 : x
  2. Step 2: Convert to fraction form
    11,202.51/16,806.20 = 3,411.12/x
  3. Step 3: Cross multiply
    11,202.51x = 16,806.20 × 3,411.12
  4. Step 4: Simplify right side
    11,202.51x = 57,327,964.94
  5. Step 5: Solve for x
    x = 57,327,964.94/11,202.51
  6. Step 6: Final answer
    x = 5,117.42

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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.