Home / 11,619.63-17,433.39-4,224.68

Finding the Fourth Proportional to 11,619.63, 17,433.39 and 4,224.68

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Solution

The fourth proportional to 11,619.63, 17,433.39 and 4,224.68 is: 6,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.63 : 17,433.39 = 4,224.68 : x
  2. Step 2: Convert to fraction form
    11,619.63/17,433.39 = 4,224.68/x
  3. Step 3: Cross multiply
    11,619.63x = 17,433.39 × 4,224.68
  4. Step 4: Simplify right side
    11,619.63x = 73,650,494.07
  5. Step 5: Solve for x
    x = 73,650,494.07/11,619.63
  6. Step 6: Final answer
    x = 6,338.45

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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.