Home / 7,548.94-10,418.78-4,192.82

Finding the Fourth Proportional to 7,548.94, 10,418.78 and 4,192.82

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Solution

The fourth proportional to 7,548.94, 10,418.78 and 4,192.82 is: 5,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.94 : 10,418.78 = 4,192.82 : x
  2. Step 2: Convert to fraction form
    7,548.94/10,418.78 = 4,192.82/x
  3. Step 3: Cross multiply
    7,548.94x = 10,418.78 × 4,192.82
  4. Step 4: Simplify right side
    7,548.94x = 43,684,069.16
  5. Step 5: Solve for x
    x = 43,684,069.16/7,548.94
  6. Step 6: Final answer
    x = 5,786.78

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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.