Home / 11,102.36-16,648.68-4,172

Finding the Fourth Proportional to 11,102.36, 16,648.68 and 4,172

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Solution

The fourth proportional to 11,102.36, 16,648.68 and 4,172 is: 6,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.36 : 16,648.68 = 4,172 : x
  2. Step 2: Convert to fraction form
    11,102.36/16,648.68 = 4,172/x
  3. Step 3: Cross multiply
    11,102.36x = 16,648.68 × 4,172
  4. Step 4: Simplify right side
    11,102.36x = 69,458,292.96
  5. Step 5: Solve for x
    x = 69,458,292.96/11,102.36
  6. Step 6: Final answer
    x = 6,256.17

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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.