Home / 10,093.75-15,140.76-3,168.25

Finding the Fourth Proportional to 10,093.75, 15,140.76 and 3,168.25

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Solution

The fourth proportional to 10,093.75, 15,140.76 and 3,168.25 is: 4,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.75 : 15,140.76 = 3,168.25 : x
  2. Step 2: Convert to fraction form
    10,093.75/15,140.76 = 3,168.25/x
  3. Step 3: Cross multiply
    10,093.75x = 15,140.76 × 3,168.25
  4. Step 4: Simplify right side
    10,093.75x = 47,969,712.87
  5. Step 5: Solve for x
    x = 47,969,712.87/10,093.75
  6. Step 6: Final answer
    x = 4,752.42

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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.