Home / 11,108.45-16,665.30-3,317.46

Finding the Fourth Proportional to 11,108.45, 16,665.30 and 3,317.46

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Solution

The fourth proportional to 11,108.45, 16,665.30 and 3,317.46 is: 4,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.45 : 16,665.30 = 3,317.46 : x
  2. Step 2: Convert to fraction form
    11,108.45/16,665.30 = 3,317.46/x
  3. Step 3: Cross multiply
    11,108.45x = 16,665.30 × 3,317.46
  4. Step 4: Simplify right side
    11,108.45x = 55,286,466.14
  5. Step 5: Solve for x
    x = 55,286,466.14/11,108.45
  6. Step 6: Final answer
    x = 4,976.98

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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.