Home / 11,202.20-16,805.32-5,655.72

Finding the Fourth Proportional to 11,202.20, 16,805.32 and 5,655.72

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Solution

The fourth proportional to 11,202.20, 16,805.32 and 5,655.72 is: 8,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.20 : 16,805.32 = 5,655.72 : x
  2. Step 2: Convert to fraction form
    11,202.20/16,805.32 = 5,655.72/x
  3. Step 3: Cross multiply
    11,202.20x = 16,805.32 × 5,655.72
  4. Step 4: Simplify right side
    11,202.20x = 95,046,184.43
  5. Step 5: Solve for x
    x = 95,046,184.43/11,202.20
  6. Step 6: Final answer
    x = 8,484.60

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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.