Home / 11,269.12-16,903.61-3,874.11

Finding the Fourth Proportional to 11,269.12, 16,903.61 and 3,874.11

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Solution

The fourth proportional to 11,269.12, 16,903.61 and 3,874.11 is: 5,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.12 : 16,903.61 = 3,874.11 : x
  2. Step 2: Convert to fraction form
    11,269.12/16,903.61 = 3,874.11/x
  3. Step 3: Cross multiply
    11,269.12x = 16,903.61 × 3,874.11
  4. Step 4: Simplify right side
    11,269.12x = 65,486,444.54
  5. Step 5: Solve for x
    x = 65,486,444.54/11,269.12
  6. Step 6: Final answer
    x = 5,811.14

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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.