Home / 11,255.08-16,879.64-3,355.46

Finding the Fourth Proportional to 11,255.08, 16,879.64 and 3,355.46

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Solution

The fourth proportional to 11,255.08, 16,879.64 and 3,355.46 is: 5,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.08 : 16,879.64 = 3,355.46 : x
  2. Step 2: Convert to fraction form
    11,255.08/16,879.64 = 3,355.46/x
  3. Step 3: Cross multiply
    11,255.08x = 16,879.64 × 3,355.46
  4. Step 4: Simplify right side
    11,255.08x = 56,638,956.83
  5. Step 5: Solve for x
    x = 56,638,956.83/11,255.08
  6. Step 6: Final answer
    x = 5,032.30

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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.