Home / 11,269.46-16,905.10-3,478.26

Finding the Fourth Proportional to 11,269.46, 16,905.10 and 3,478.26

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Solution

The fourth proportional to 11,269.46, 16,905.10 and 3,478.26 is: 5,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.46 : 16,905.10 = 3,478.26 : x
  2. Step 2: Convert to fraction form
    11,269.46/16,905.10 = 3,478.26/x
  3. Step 3: Cross multiply
    11,269.46x = 16,905.10 × 3,478.26
  4. Step 4: Simplify right side
    11,269.46x = 58,800,333.13
  5. Step 5: Solve for x
    x = 58,800,333.13/11,269.46
  6. Step 6: Final answer
    x = 5,217.67

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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.