Home / 11,709.45-17,563.10-3,918.33

Finding the Fourth Proportional to 11,709.45, 17,563.10 and 3,918.33

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Solution

The fourth proportional to 11,709.45, 17,563.10 and 3,918.33 is: 5,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.45 : 17,563.10 = 3,918.33 : x
  2. Step 2: Convert to fraction form
    11,709.45/17,563.10 = 3,918.33/x
  3. Step 3: Cross multiply
    11,709.45x = 17,563.10 × 3,918.33
  4. Step 4: Simplify right side
    11,709.45x = 68,818,002.03
  5. Step 5: Solve for x
    x = 68,818,002.03/11,709.45
  6. Step 6: Final answer
    x = 5,877.13

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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.