Home / 7,144.48-9,850.23-5,548.43

Finding the Fourth Proportional to 7,144.48, 9,850.23 and 5,548.43

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Solution

The fourth proportional to 7,144.48, 9,850.23 and 5,548.43 is: 7,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.48 : 9,850.23 = 5,548.43 : x
  2. Step 2: Convert to fraction form
    7,144.48/9,850.23 = 5,548.43/x
  3. Step 3: Cross multiply
    7,144.48x = 9,850.23 × 5,548.43
  4. Step 4: Simplify right side
    7,144.48x = 54,653,262.39
  5. Step 5: Solve for x
    x = 54,653,262.39/7,144.48
  6. Step 6: Final answer
    x = 7,649.72

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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.