Home / 10,578.92-15,869.18-3,558.96

Finding the Fourth Proportional to 10,578.92, 15,869.18 and 3,558.96

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Solution

The fourth proportional to 10,578.92, 15,869.18 and 3,558.96 is: 5,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.92 : 15,869.18 = 3,558.96 : x
  2. Step 2: Convert to fraction form
    10,578.92/15,869.18 = 3,558.96/x
  3. Step 3: Cross multiply
    10,578.92x = 15,869.18 × 3,558.96
  4. Step 4: Simplify right side
    10,578.92x = 56,477,776.85
  5. Step 5: Solve for x
    x = 56,477,776.85/10,578.92
  6. Step 6: Final answer
    x = 5,338.71

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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.