Home / 7,424.48-10,245.56-4,067.21

Finding the Fourth Proportional to 7,424.48, 10,245.56 and 4,067.21

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Solution

The fourth proportional to 7,424.48, 10,245.56 and 4,067.21 is: 5,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.48 : 10,245.56 = 4,067.21 : x
  2. Step 2: Convert to fraction form
    7,424.48/10,245.56 = 4,067.21/x
  3. Step 3: Cross multiply
    7,424.48x = 10,245.56 × 4,067.21
  4. Step 4: Simplify right side
    7,424.48x = 41,670,849.37
  5. Step 5: Solve for x
    x = 41,670,849.37/7,424.48
  6. Step 6: Final answer
    x = 5,612.63

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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.