Home / 11,511.28-17,263.13-3,718.27

Finding the Fourth Proportional to 11,511.28, 17,263.13 and 3,718.27

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Solution

The fourth proportional to 11,511.28, 17,263.13 and 3,718.27 is: 5,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.28 : 17,263.13 = 3,718.27 : x
  2. Step 2: Convert to fraction form
    11,511.28/17,263.13 = 3,718.27/x
  3. Step 3: Cross multiply
    11,511.28x = 17,263.13 × 3,718.27
  4. Step 4: Simplify right side
    11,511.28x = 64,188,981.37
  5. Step 5: Solve for x
    x = 64,188,981.37/11,511.28
  6. Step 6: Final answer
    x = 5,576.18

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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.