Home / 11,171.79-16,757.73-3,380.67

Finding the Fourth Proportional to 11,171.79, 16,757.73 and 3,380.67

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Solution

The fourth proportional to 11,171.79, 16,757.73 and 3,380.67 is: 5,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.79 : 16,757.73 = 3,380.67 : x
  2. Step 2: Convert to fraction form
    11,171.79/16,757.73 = 3,380.67/x
  3. Step 3: Cross multiply
    11,171.79x = 16,757.73 × 3,380.67
  4. Step 4: Simplify right side
    11,171.79x = 56,652,355.08
  5. Step 5: Solve for x
    x = 56,652,355.08/11,171.79
  6. Step 6: Final answer
    x = 5,071.02

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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.