Home / 10,134.59-15,204.23-3,209.09

Finding the Fourth Proportional to 10,134.59, 15,204.23 and 3,209.09

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Solution

The fourth proportional to 10,134.59, 15,204.23 and 3,209.09 is: 4,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.59 : 15,204.23 = 3,209.09 : x
  2. Step 2: Convert to fraction form
    10,134.59/15,204.23 = 3,209.09/x
  3. Step 3: Cross multiply
    10,134.59x = 15,204.23 × 3,209.09
  4. Step 4: Simplify right side
    10,134.59x = 48,791,742.45
  5. Step 5: Solve for x
    x = 48,791,742.45/10,134.59
  6. Step 6: Final answer
    x = 4,814.38

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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.