Home / 11,150.24-16,715.40-4,229.60

Finding the Fourth Proportional to 11,150.24, 16,715.40 and 4,229.60

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Solution

The fourth proportional to 11,150.24, 16,715.40 and 4,229.60 is: 6,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.24 : 16,715.40 = 4,229.60 : x
  2. Step 2: Convert to fraction form
    11,150.24/16,715.40 = 4,229.60/x
  3. Step 3: Cross multiply
    11,150.24x = 16,715.40 × 4,229.60
  4. Step 4: Simplify right side
    11,150.24x = 70,699,455.84
  5. Step 5: Solve for x
    x = 70,699,455.84/11,150.24
  6. Step 6: Final answer
    x = 6,340.62

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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.