Home / 10,318.22-15,478.44-3,295.80

Finding the Fourth Proportional to 10,318.22, 15,478.44 and 3,295.80

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Solution

The fourth proportional to 10,318.22, 15,478.44 and 3,295.80 is: 4,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.22 : 15,478.44 = 3,295.80 : x
  2. Step 2: Convert to fraction form
    10,318.22/15,478.44 = 3,295.80/x
  3. Step 3: Cross multiply
    10,318.22x = 15,478.44 × 3,295.80
  4. Step 4: Simplify right side
    10,318.22x = 51,013,842.55
  5. Step 5: Solve for x
    x = 51,013,842.55/10,318.22
  6. Step 6: Final answer
    x = 4,944.05

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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.