Home / 11,126.81-16,680.49-5,572.37

Finding the Fourth Proportional to 11,126.81, 16,680.49 and 5,572.37

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Solution

The fourth proportional to 11,126.81, 16,680.49 and 5,572.37 is: 8,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.81 : 16,680.49 = 5,572.37 : x
  2. Step 2: Convert to fraction form
    11,126.81/16,680.49 = 5,572.37/x
  3. Step 3: Cross multiply
    11,126.81x = 16,680.49 × 5,572.37
  4. Step 4: Simplify right side
    11,126.81x = 92,949,862.06
  5. Step 5: Solve for x
    x = 92,949,862.06/11,126.81
  6. Step 6: Final answer
    x = 8,353.68

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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.