Home / 10,892.31-16,336.91-3,495.81

Finding the Fourth Proportional to 10,892.31, 16,336.91 and 3,495.81

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Solution

The fourth proportional to 10,892.31, 16,336.91 and 3,495.81 is: 5,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.31 : 16,336.91 = 3,495.81 : x
  2. Step 2: Convert to fraction form
    10,892.31/16,336.91 = 3,495.81/x
  3. Step 3: Cross multiply
    10,892.31x = 16,336.91 × 3,495.81
  4. Step 4: Simplify right side
    10,892.31x = 57,110,733.35
  5. Step 5: Solve for x
    x = 57,110,733.35/10,892.31
  6. Step 6: Final answer
    x = 5,243.22

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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.