Home / 11,669.46-17,511.27-4,743.78

Finding the Fourth Proportional to 11,669.46, 17,511.27 and 4,743.78

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Solution

The fourth proportional to 11,669.46, 17,511.27 and 4,743.78 is: 7,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.46 : 17,511.27 = 4,743.78 : x
  2. Step 2: Convert to fraction form
    11,669.46/17,511.27 = 4,743.78/x
  3. Step 3: Cross multiply
    11,669.46x = 17,511.27 × 4,743.78
  4. Step 4: Simplify right side
    11,669.46x = 83,069,612.40
  5. Step 5: Solve for x
    x = 83,069,612.40/11,669.46
  6. Step 6: Final answer
    x = 7,118.55

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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.