Home / 11,140.82-16,712.10-3,745.22

Finding the Fourth Proportional to 11,140.82, 16,712.10 and 3,745.22

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Solution

The fourth proportional to 11,140.82, 16,712.10 and 3,745.22 is: 5,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.82 : 16,712.10 = 3,745.22 : x
  2. Step 2: Convert to fraction form
    11,140.82/16,712.10 = 3,745.22/x
  3. Step 3: Cross multiply
    11,140.82x = 16,712.10 × 3,745.22
  4. Step 4: Simplify right side
    11,140.82x = 62,590,491.16
  5. Step 5: Solve for x
    x = 62,590,491.16/11,140.82
  6. Step 6: Final answer
    x = 5,618.12

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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.