Home / 10,067.16-15,102.84-5,072.34

Finding the Fourth Proportional to 10,067.16, 15,102.84 and 5,072.34

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Solution

The fourth proportional to 10,067.16, 15,102.84 and 5,072.34 is: 7,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.16 : 15,102.84 = 5,072.34 : x
  2. Step 2: Convert to fraction form
    10,067.16/15,102.84 = 5,072.34/x
  3. Step 3: Cross multiply
    10,067.16x = 15,102.84 × 5,072.34
  4. Step 4: Simplify right side
    10,067.16x = 76,606,739.45
  5. Step 5: Solve for x
    x = 76,606,739.45/10,067.16
  6. Step 6: Final answer
    x = 7,609.57

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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.