Home / 10,093.70-15,138.21-3,851.43

Finding the Fourth Proportional to 10,093.70, 15,138.21 and 3,851.43

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Solution

The fourth proportional to 10,093.70, 15,138.21 and 3,851.43 is: 5,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.70 : 15,138.21 = 3,851.43 : x
  2. Step 2: Convert to fraction form
    10,093.70/15,138.21 = 3,851.43/x
  3. Step 3: Cross multiply
    10,093.70x = 15,138.21 × 3,851.43
  4. Step 4: Simplify right side
    10,093.70x = 58,303,756.14
  5. Step 5: Solve for x
    x = 58,303,756.14/10,093.70
  6. Step 6: Final answer
    x = 5,776.25

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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.