Home / 11,747.76-17,621.29-4,352.05

Finding the Fourth Proportional to 11,747.76, 17,621.29 and 4,352.05

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Solution

The fourth proportional to 11,747.76, 17,621.29 and 4,352.05 is: 6,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.76 : 17,621.29 = 4,352.05 : x
  2. Step 2: Convert to fraction form
    11,747.76/17,621.29 = 4,352.05/x
  3. Step 3: Cross multiply
    11,747.76x = 17,621.29 × 4,352.05
  4. Step 4: Simplify right side
    11,747.76x = 76,688,735.14
  5. Step 5: Solve for x
    x = 76,688,735.14/11,747.76
  6. Step 6: Final answer
    x = 6,527.95

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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.