Home / 11,201.30-16,804.45-3,410.72

Finding the Fourth Proportional to 11,201.30, 16,804.45 and 3,410.72

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Solution

The fourth proportional to 11,201.30, 16,804.45 and 3,410.72 is: 5,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.30 : 16,804.45 = 3,410.72 : x
  2. Step 2: Convert to fraction form
    11,201.30/16,804.45 = 3,410.72/x
  3. Step 3: Cross multiply
    11,201.30x = 16,804.45 × 3,410.72
  4. Step 4: Simplify right side
    11,201.30x = 57,315,189.68
  5. Step 5: Solve for x
    x = 57,315,189.68/11,201.30
  6. Step 6: Final answer
    x = 5,116.84

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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.