Home / 10,076.98-15,115.42-3,835.53

Finding the Fourth Proportional to 10,076.98, 15,115.42 and 3,835.53

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Solution

The fourth proportional to 10,076.98, 15,115.42 and 3,835.53 is: 5,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.98 : 15,115.42 = 3,835.53 : x
  2. Step 2: Convert to fraction form
    10,076.98/15,115.42 = 3,835.53/x
  3. Step 3: Cross multiply
    10,076.98x = 15,115.42 × 3,835.53
  4. Step 4: Simplify right side
    10,076.98x = 57,975,646.87
  5. Step 5: Solve for x
    x = 57,975,646.87/10,076.98
  6. Step 6: Final answer
    x = 5,753.28

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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.