Home / 11,150.77-16,722.28-3,251.11

Finding the Fourth Proportional to 11,150.77, 16,722.28 and 3,251.11

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Solution

The fourth proportional to 11,150.77, 16,722.28 and 3,251.11 is: 4,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.77 : 16,722.28 = 3,251.11 : x
  2. Step 2: Convert to fraction form
    11,150.77/16,722.28 = 3,251.11/x
  3. Step 3: Cross multiply
    11,150.77x = 16,722.28 × 3,251.11
  4. Step 4: Simplify right side
    11,150.77x = 54,365,971.73
  5. Step 5: Solve for x
    x = 54,365,971.73/11,150.77
  6. Step 6: Final answer
    x = 4,875.54

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1.5x scale

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.