Home / 11,620.26-17,415.81-5,766.39

Finding the Fourth Proportional to 11,620.26, 17,415.81 and 5,766.39

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Solution

The fourth proportional to 11,620.26, 17,415.81 and 5,766.39 is: 8,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.26 : 17,415.81 = 5,766.39 : x
  2. Step 2: Convert to fraction form
    11,620.26/17,415.81 = 5,766.39/x
  3. Step 3: Cross multiply
    11,620.26x = 17,415.81 × 5,766.39
  4. Step 4: Simplify right side
    11,620.26x = 100,426,352.63
  5. Step 5: Solve for x
    x = 100,426,352.63/11,620.26
  6. Step 6: Final answer
    x = 8,642.35

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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.