Home / 10,629.03-15,936.71-5,082.25

Finding the Fourth Proportional to 10,629.03, 15,936.71 and 5,082.25

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Solution

The fourth proportional to 10,629.03, 15,936.71 and 5,082.25 is: 7,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.03 : 15,936.71 = 5,082.25 : x
  2. Step 2: Convert to fraction form
    10,629.03/15,936.71 = 5,082.25/x
  3. Step 3: Cross multiply
    10,629.03x = 15,936.71 × 5,082.25
  4. Step 4: Simplify right side
    10,629.03x = 80,994,344.40
  5. Step 5: Solve for x
    x = 80,994,344.40/10,629.03
  6. Step 6: Final answer
    x = 7,620.11

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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.