Home / 11,102.45-16,654.77-3,205.16

Finding the Fourth Proportional to 11,102.45, 16,654.77 and 3,205.16

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Solution

The fourth proportional to 11,102.45, 16,654.77 and 3,205.16 is: 4,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.45 : 16,654.77 = 3,205.16 : x
  2. Step 2: Convert to fraction form
    11,102.45/16,654.77 = 3,205.16/x
  3. Step 3: Cross multiply
    11,102.45x = 16,654.77 × 3,205.16
  4. Step 4: Simplify right side
    11,102.45x = 53,381,119.34
  5. Step 5: Solve for x
    x = 53,381,119.34/11,102.45
  6. Step 6: Final answer
    x = 4,808.05

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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.