Home / 10,635.88-15,949.82-3,518.60

Finding the Fourth Proportional to 10,635.88, 15,949.82 and 3,518.60

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Solution

The fourth proportional to 10,635.88, 15,949.82 and 3,518.60 is: 5,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.88 : 15,949.82 = 3,518.60 : x
  2. Step 2: Convert to fraction form
    10,635.88/15,949.82 = 3,518.60/x
  3. Step 3: Cross multiply
    10,635.88x = 15,949.82 × 3,518.60
  4. Step 4: Simplify right side
    10,635.88x = 56,121,036.65
  5. Step 5: Solve for x
    x = 56,121,036.65/10,635.88
  6. Step 6: Final answer
    x = 5,276.58

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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.