Home / 11,132.16-16,692.48-4,201.92

Finding the Fourth Proportional to 11,132.16, 16,692.48 and 4,201.92

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Solution

The fourth proportional to 11,132.16, 16,692.48 and 4,201.92 is: 6,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.16 : 16,692.48 = 4,201.92 : x
  2. Step 2: Convert to fraction form
    11,132.16/16,692.48 = 4,201.92/x
  3. Step 3: Cross multiply
    11,132.16x = 16,692.48 × 4,201.92
  4. Step 4: Simplify right side
    11,132.16x = 70,140,465.56
  5. Step 5: Solve for x
    x = 70,140,465.56/11,132.16
  6. Step 6: Final answer
    x = 6,300.71

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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.