Home / 10,137.90-15,194.97-4,584.78

Finding the Fourth Proportional to 10,137.90, 15,194.97 and 4,584.78

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Solution

The fourth proportional to 10,137.90, 15,194.97 and 4,584.78 is: 6,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.90 : 15,194.97 = 4,584.78 : x
  2. Step 2: Convert to fraction form
    10,137.90/15,194.97 = 4,584.78/x
  3. Step 3: Cross multiply
    10,137.90x = 15,194.97 × 4,584.78
  4. Step 4: Simplify right side
    10,137.90x = 69,665,594.56
  5. Step 5: Solve for x
    x = 69,665,594.56/10,137.90
  6. Step 6: Final answer
    x = 6,871.80

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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.