Home / 10,104.58-15,159.30-3,179.08

Finding the Fourth Proportional to 10,104.58, 15,159.30 and 3,179.08

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Solution

The fourth proportional to 10,104.58, 15,159.30 and 3,179.08 is: 4,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.58 : 15,159.30 = 3,179.08 : x
  2. Step 2: Convert to fraction form
    10,104.58/15,159.30 = 3,179.08/x
  3. Step 3: Cross multiply
    10,104.58x = 15,159.30 × 3,179.08
  4. Step 4: Simplify right side
    10,104.58x = 48,192,627.44
  5. Step 5: Solve for x
    x = 48,192,627.44/10,104.58
  6. Step 6: Final answer
    x = 4,769.38

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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.