Home / 7,262.94-10,022.43-4,278.09

Finding the Fourth Proportional to 7,262.94, 10,022.43 and 4,278.09

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Solution

The fourth proportional to 7,262.94, 10,022.43 and 4,278.09 is: 5,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.94 : 10,022.43 = 4,278.09 : x
  2. Step 2: Convert to fraction form
    7,262.94/10,022.43 = 4,278.09/x
  3. Step 3: Cross multiply
    7,262.94x = 10,022.43 × 4,278.09
  4. Step 4: Simplify right side
    7,262.94x = 42,876,857.56
  5. Step 5: Solve for x
    x = 42,876,857.56/7,262.94
  6. Step 6: Final answer
    x = 5,903.51

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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.