Home / 10,504.10-15,759.21-3,108.74

Finding the Fourth Proportional to 10,504.10, 15,759.21 and 3,108.74

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Solution

The fourth proportional to 10,504.10, 15,759.21 and 3,108.74 is: 4,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.10 : 15,759.21 = 3,108.74 : x
  2. Step 2: Convert to fraction form
    10,504.10/15,759.21 = 3,108.74/x
  3. Step 3: Cross multiply
    10,504.10x = 15,759.21 × 3,108.74
  4. Step 4: Simplify right side
    10,504.10x = 48,991,286.50
  5. Step 5: Solve for x
    x = 48,991,286.50/10,504.10
  6. Step 6: Final answer
    x = 4,664.02

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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.