Home / 10,996.61-16,487.09-5,150.03

Finding the Fourth Proportional to 10,996.61, 16,487.09 and 5,150.03

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Solution

The fourth proportional to 10,996.61, 16,487.09 and 5,150.03 is: 7,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.61 : 16,487.09 = 5,150.03 : x
  2. Step 2: Convert to fraction form
    10,996.61/16,487.09 = 5,150.03/x
  3. Step 3: Cross multiply
    10,996.61x = 16,487.09 × 5,150.03
  4. Step 4: Simplify right side
    10,996.61x = 84,908,982.36
  5. Step 5: Solve for x
    x = 84,908,982.36/10,996.61
  6. Step 6: Final answer
    x = 7,721.38

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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.