Home / 11,619.14-17,430.80-4,233.96

Finding the Fourth Proportional to 11,619.14, 17,430.80 and 4,233.96

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Solution

The fourth proportional to 11,619.14, 17,430.80 and 4,233.96 is: 6,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.14 : 17,430.80 = 4,233.96 : x
  2. Step 2: Convert to fraction form
    11,619.14/17,430.80 = 4,233.96/x
  3. Step 3: Cross multiply
    11,619.14x = 17,430.80 × 4,233.96
  4. Step 4: Simplify right side
    11,619.14x = 73,801,288.80
  5. Step 5: Solve for x
    x = 73,801,288.80/11,619.14
  6. Step 6: Final answer
    x = 6,351.70

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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.