Home / 11,140.48-16,712.64-3,745.64

Finding the Fourth Proportional to 11,140.48, 16,712.64 and 3,745.64

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Solution

The fourth proportional to 11,140.48, 16,712.64 and 3,745.64 is: 5,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.48 : 16,712.64 = 3,745.64 : x
  2. Step 2: Convert to fraction form
    11,140.48/16,712.64 = 3,745.64/x
  3. Step 3: Cross multiply
    11,140.48x = 16,712.64 × 3,745.64
  4. Step 4: Simplify right side
    11,140.48x = 62,599,532.89
  5. Step 5: Solve for x
    x = 62,599,532.89/11,140.48
  6. Step 6: Final answer
    x = 5,619.11

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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.