Home / 11,511.54-17,269.47-3,718.26

Finding the Fourth Proportional to 11,511.54, 17,269.47 and 3,718.26

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Solution

The fourth proportional to 11,511.54, 17,269.47 and 3,718.26 is: 5,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.54 : 17,269.47 = 3,718.26 : x
  2. Step 2: Convert to fraction form
    11,511.54/17,269.47 = 3,718.26/x
  3. Step 3: Cross multiply
    11,511.54x = 17,269.47 × 3,718.26
  4. Step 4: Simplify right side
    11,511.54x = 64,212,379.52
  5. Step 5: Solve for x
    x = 64,212,379.52/11,511.54
  6. Step 6: Final answer
    x = 5,578.09

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1.5x scale

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.