Home / 10,338.22-15,491.94-4,491.64

Finding the Fourth Proportional to 10,338.22, 15,491.94 and 4,491.64

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Solution

The fourth proportional to 10,338.22, 15,491.94 and 4,491.64 is: 6,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.22 : 15,491.94 = 4,491.64 : x
  2. Step 2: Convert to fraction form
    10,338.22/15,491.94 = 4,491.64/x
  3. Step 3: Cross multiply
    10,338.22x = 15,491.94 × 4,491.64
  4. Step 4: Simplify right side
    10,338.22x = 69,584,217.38
  5. Step 5: Solve for x
    x = 69,584,217.38/10,338.22
  6. Step 6: Final answer
    x = 6,730.77

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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.