Home / 11,769.63-17,657.69-4,745.31

Finding the Fourth Proportional to 11,769.63, 17,657.69 and 4,745.31

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Solution

The fourth proportional to 11,769.63, 17,657.69 and 4,745.31 is: 7,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.63 : 17,657.69 = 4,745.31 : x
  2. Step 2: Convert to fraction form
    11,769.63/17,657.69 = 4,745.31/x
  3. Step 3: Cross multiply
    11,769.63x = 17,657.69 × 4,745.31
  4. Step 4: Simplify right side
    11,769.63x = 83,791,212.93
  5. Step 5: Solve for x
    x = 83,791,212.93/11,769.63
  6. Step 6: Final answer
    x = 7,119.27

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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.