Home / 7,466.16-11,198.60-1,919.28

Finding the Fourth Proportional to 7,466.16, 11,198.60 and 1,919.28

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Solution

The fourth proportional to 7,466.16, 11,198.60 and 1,919.28 is: 2,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,466.16 : 11,198.60 = 1,919.28 : x
  2. Step 2: Convert to fraction form
    7,466.16/11,198.60 = 1,919.28/x
  3. Step 3: Cross multiply
    7,466.16x = 11,198.60 × 1,919.28
  4. Step 4: Simplify right side
    7,466.16x = 21,493,249.01
  5. Step 5: Solve for x
    x = 21,493,249.01/7,466.16
  6. Step 6: Final answer
    x = 2,878.76

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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.