Home / 11,395.23-17,100.34-3,999.50

Finding the Fourth Proportional to 11,395.23, 17,100.34 and 3,999.50

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Solution

The fourth proportional to 11,395.23, 17,100.34 and 3,999.50 is: 6,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.23 : 17,100.34 = 3,999.50 : x
  2. Step 2: Convert to fraction form
    11,395.23/17,100.34 = 3,999.50/x
  3. Step 3: Cross multiply
    11,395.23x = 17,100.34 × 3,999.50
  4. Step 4: Simplify right side
    11,395.23x = 68,392,704.33
  5. Step 5: Solve for x
    x = 68,392,704.33/11,395.23
  6. Step 6: Final answer
    x = 6,001.87

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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.