Home / 10,749.79-16,123.92-3,353.53

Finding the Fourth Proportional to 10,749.79, 16,123.92 and 3,353.53

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Solution

The fourth proportional to 10,749.79, 16,123.92 and 3,353.53 is: 5,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.79 : 16,123.92 = 3,353.53 : x
  2. Step 2: Convert to fraction form
    10,749.79/16,123.92 = 3,353.53/x
  3. Step 3: Cross multiply
    10,749.79x = 16,123.92 × 3,353.53
  4. Step 4: Simplify right side
    10,749.79x = 54,072,049.44
  5. Step 5: Solve for x
    x = 54,072,049.44/10,749.79
  6. Step 6: Final answer
    x = 5,030.06

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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.