Home / 10,126.89-15,197.09-3,553.11

Finding the Fourth Proportional to 10,126.89, 15,197.09 and 3,553.11

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Solution

The fourth proportional to 10,126.89, 15,197.09 and 3,553.11 is: 5,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.89 : 15,197.09 = 3,553.11 : x
  2. Step 2: Convert to fraction form
    10,126.89/15,197.09 = 3,553.11/x
  3. Step 3: Cross multiply
    10,126.89x = 15,197.09 × 3,553.11
  4. Step 4: Simplify right side
    10,126.89x = 53,996,914.68
  5. Step 5: Solve for x
    x = 53,996,914.68/10,126.89
  6. Step 6: Final answer
    x = 5,332.03

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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.