Home / 11,975.16-17,964.90-5,404.44

Finding the Fourth Proportional to 11,975.16, 17,964.90 and 5,404.44

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Solution

The fourth proportional to 11,975.16, 17,964.90 and 5,404.44 is: 8,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.16 : 17,964.90 = 5,404.44 : x
  2. Step 2: Convert to fraction form
    11,975.16/17,964.90 = 5,404.44/x
  3. Step 3: Cross multiply
    11,975.16x = 17,964.90 × 5,404.44
  4. Step 4: Simplify right side
    11,975.16x = 97,090,224.16
  5. Step 5: Solve for x
    x = 97,090,224.16/11,975.16
  6. Step 6: Final answer
    x = 8,107.63

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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.