Home / 7,429.14-10,249.20-5,067.18

Finding the Fourth Proportional to 7,429.14, 10,249.20 and 5,067.18

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Solution

The fourth proportional to 7,429.14, 10,249.20 and 5,067.18 is: 6,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.14 : 10,249.20 = 5,067.18 : x
  2. Step 2: Convert to fraction form
    7,429.14/10,249.20 = 5,067.18/x
  3. Step 3: Cross multiply
    7,429.14x = 10,249.20 × 5,067.18
  4. Step 4: Simplify right side
    7,429.14x = 51,934,541.26
  5. Step 5: Solve for x
    x = 51,934,541.26/7,429.14
  6. Step 6: Final answer
    x = 6,990.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.