Home / 10,889.36-16,333.68-4,733.36

Finding the Fourth Proportional to 10,889.36, 16,333.68 and 4,733.36

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Solution

The fourth proportional to 10,889.36, 16,333.68 and 4,733.36 is: 7,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.36 : 16,333.68 = 4,733.36 : x
  2. Step 2: Convert to fraction form
    10,889.36/16,333.68 = 4,733.36/x
  3. Step 3: Cross multiply
    10,889.36x = 16,333.68 × 4,733.36
  4. Step 4: Simplify right side
    10,889.36x = 77,313,187.56
  5. Step 5: Solve for x
    x = 77,313,187.56/10,889.36
  6. Step 6: Final answer
    x = 7,099.88

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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.