Home / 11,405.57-17,108.37-3,614.36

Finding the Fourth Proportional to 11,405.57, 17,108.37 and 3,614.36

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Solution

The fourth proportional to 11,405.57, 17,108.37 and 3,614.36 is: 5,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.57 : 17,108.37 = 3,614.36 : x
  2. Step 2: Convert to fraction form
    11,405.57/17,108.37 = 3,614.36/x
  3. Step 3: Cross multiply
    11,405.57x = 17,108.37 × 3,614.36
  4. Step 4: Simplify right side
    11,405.57x = 61,835,722.65
  5. Step 5: Solve for x
    x = 61,835,722.65/11,405.57
  6. Step 6: Final answer
    x = 5,421.54

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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.