Home / 11,475.89-17,213.83-4,080.64

Finding the Fourth Proportional to 11,475.89, 17,213.83 and 4,080.64

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Solution

The fourth proportional to 11,475.89, 17,213.83 and 4,080.64 is: 6,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.89 : 17,213.83 = 4,080.64 : x
  2. Step 2: Convert to fraction form
    11,475.89/17,213.83 = 4,080.64/x
  3. Step 3: Cross multiply
    11,475.89x = 17,213.83 × 4,080.64
  4. Step 4: Simplify right side
    11,475.89x = 70,243,469.87
  5. Step 5: Solve for x
    x = 70,243,469.87/11,475.89
  6. Step 6: Final answer
    x = 6,120.96

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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.