Home / 11,290.43-16,946.58-5,451.14

Finding the Fourth Proportional to 11,290.43, 16,946.58 and 5,451.14

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Solution

The fourth proportional to 11,290.43, 16,946.58 and 5,451.14 is: 8,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.43 : 16,946.58 = 5,451.14 : x
  2. Step 2: Convert to fraction form
    11,290.43/16,946.58 = 5,451.14/x
  3. Step 3: Cross multiply
    11,290.43x = 16,946.58 × 5,451.14
  4. Step 4: Simplify right side
    11,290.43x = 92,378,180.10
  5. Step 5: Solve for x
    x = 92,378,180.10/11,290.43
  6. Step 6: Final answer
    x = 8,181.99

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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.