Home / 10,749.44-16,125.12-4,177.28

Finding the Fourth Proportional to 10,749.44, 16,125.12 and 4,177.28

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Solution

The fourth proportional to 10,749.44, 16,125.12 and 4,177.28 is: 6,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.44 : 16,125.12 = 4,177.28 : x
  2. Step 2: Convert to fraction form
    10,749.44/16,125.12 = 4,177.28/x
  3. Step 3: Cross multiply
    10,749.44x = 16,125.12 × 4,177.28
  4. Step 4: Simplify right side
    10,749.44x = 67,359,141.27
  5. Step 5: Solve for x
    x = 67,359,141.27/10,749.44
  6. Step 6: Final answer
    x = 6,266.29

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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.