Home / 11,290.37-16,946.49-5,451.08

Finding the Fourth Proportional to 11,290.37, 16,946.49 and 5,451.08

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Solution

The fourth proportional to 11,290.37, 16,946.49 and 5,451.08 is: 8,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.37 : 16,946.49 = 5,451.08 : x
  2. Step 2: Convert to fraction form
    11,290.37/16,946.49 = 5,451.08/x
  3. Step 3: Cross multiply
    11,290.37x = 16,946.49 × 5,451.08
  4. Step 4: Simplify right side
    11,290.37x = 92,376,672.71
  5. Step 5: Solve for x
    x = 92,376,672.71/11,290.37
  6. Step 6: Final answer
    x = 8,181.90

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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.