Home / 10,067.06-15,078.72-4,862

Finding the Fourth Proportional to 10,067.06, 15,078.72 and 4,862

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Solution

The fourth proportional to 10,067.06, 15,078.72 and 4,862 is: 7,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.06 : 15,078.72 = 4,862 : x
  2. Step 2: Convert to fraction form
    10,067.06/15,078.72 = 4,862/x
  3. Step 3: Cross multiply
    10,067.06x = 15,078.72 × 4,862
  4. Step 4: Simplify right side
    10,067.06x = 73,312,736.64
  5. Step 5: Solve for x
    x = 73,312,736.64/10,067.06
  6. Step 6: Final answer
    x = 7,282.44

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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.