Home / 10,093.38-15,140.60-3,168.42

Finding the Fourth Proportional to 10,093.38, 15,140.60 and 3,168.42

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Solution

The fourth proportional to 10,093.38, 15,140.60 and 3,168.42 is: 4,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.38 : 15,140.60 = 3,168.42 : x
  2. Step 2: Convert to fraction form
    10,093.38/15,140.60 = 3,168.42/x
  3. Step 3: Cross multiply
    10,093.38x = 15,140.60 × 3,168.42
  4. Step 4: Simplify right side
    10,093.38x = 47,971,712.07
  5. Step 5: Solve for x
    x = 47,971,712.07/10,093.38
  6. Step 6: Final answer
    x = 4,752.79

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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.