Home / 11,281.08-16,921.20-2,961.02

Finding the Fourth Proportional to 11,281.08, 16,921.20 and 2,961.02

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Solution

The fourth proportional to 11,281.08, 16,921.20 and 2,961.02 is: 4,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.08 : 16,921.20 = 2,961.02 : x
  2. Step 2: Convert to fraction form
    11,281.08/16,921.20 = 2,961.02/x
  3. Step 3: Cross multiply
    11,281.08x = 16,921.20 × 2,961.02
  4. Step 4: Simplify right side
    11,281.08x = 50,104,011.62
  5. Step 5: Solve for x
    x = 50,104,011.62/11,281.08
  6. Step 6: Final answer
    x = 4,441.42

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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.