Home / 10,135.43-15,192.74-3,893.76

Finding the Fourth Proportional to 10,135.43, 15,192.74 and 3,893.76

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Solution

The fourth proportional to 10,135.43, 15,192.74 and 3,893.76 is: 5,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.43 : 15,192.74 = 3,893.76 : x
  2. Step 2: Convert to fraction form
    10,135.43/15,192.74 = 3,893.76/x
  3. Step 3: Cross multiply
    10,135.43x = 15,192.74 × 3,893.76
  4. Step 4: Simplify right side
    10,135.43x = 59,156,883.30
  5. Step 5: Solve for x
    x = 59,156,883.30/10,135.43
  6. Step 6: Final answer
    x = 5,836.64

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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.