Home / 11,433.36-17,147.70-3,113.94

Finding the Fourth Proportional to 11,433.36, 17,147.70 and 3,113.94

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Solution

The fourth proportional to 11,433.36, 17,147.70 and 3,113.94 is: 4,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.36 : 17,147.70 = 3,113.94 : x
  2. Step 2: Convert to fraction form
    11,433.36/17,147.70 = 3,113.94/x
  3. Step 3: Cross multiply
    11,433.36x = 17,147.70 × 3,113.94
  4. Step 4: Simplify right side
    11,433.36x = 53,396,908.94
  5. Step 5: Solve for x
    x = 53,396,908.94/11,433.36
  6. Step 6: Final answer
    x = 4,670.27

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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.