Home / 11,173.28-16,759.92-3,775.76

Finding the Fourth Proportional to 11,173.28, 16,759.92 and 3,775.76

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Solution

The fourth proportional to 11,173.28, 16,759.92 and 3,775.76 is: 5,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.28 : 16,759.92 = 3,775.76 : x
  2. Step 2: Convert to fraction form
    11,173.28/16,759.92 = 3,775.76/x
  3. Step 3: Cross multiply
    11,173.28x = 16,759.92 × 3,775.76
  4. Step 4: Simplify right side
    11,173.28x = 63,281,435.54
  5. Step 5: Solve for x
    x = 63,281,435.54/11,173.28
  6. Step 6: Final answer
    x = 5,663.64

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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.