Home / 11,066.40-16,601.20-3,671.20

Finding the Fourth Proportional to 11,066.40, 16,601.20 and 3,671.20

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Solution

The fourth proportional to 11,066.40, 16,601.20 and 3,671.20 is: 5,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.40 : 16,601.20 = 3,671.20 : x
  2. Step 2: Convert to fraction form
    11,066.40/16,601.20 = 3,671.20/x
  3. Step 3: Cross multiply
    11,066.40x = 16,601.20 × 3,671.20
  4. Step 4: Simplify right side
    11,066.40x = 60,946,325.44
  5. Step 5: Solve for x
    x = 60,946,325.44/11,066.40
  6. Step 6: Final answer
    x = 5,507.33

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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.