Home / 10,491.05-15,747.51-4,651.76

Finding the Fourth Proportional to 10,491.05, 15,747.51 and 4,651.76

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Solution

The fourth proportional to 10,491.05, 15,747.51 and 4,651.76 is: 6,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.05 : 15,747.51 = 4,651.76 : x
  2. Step 2: Convert to fraction form
    10,491.05/15,747.51 = 4,651.76/x
  3. Step 3: Cross multiply
    10,491.05x = 15,747.51 × 4,651.76
  4. Step 4: Simplify right side
    10,491.05x = 73,253,558.38
  5. Step 5: Solve for x
    x = 73,253,558.38/10,491.05
  6. Step 6: Final answer
    x = 6,982.48

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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.