Home / 7,092.72-10,641.47-3,143.44

Finding the Fourth Proportional to 7,092.72, 10,641.47 and 3,143.44

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Solution

The fourth proportional to 7,092.72, 10,641.47 and 3,143.44 is: 4,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.72 : 10,641.47 = 3,143.44 : x
  2. Step 2: Convert to fraction form
    7,092.72/10,641.47 = 3,143.44/x
  3. Step 3: Cross multiply
    7,092.72x = 10,641.47 × 3,143.44
  4. Step 4: Simplify right side
    7,092.72x = 33,450,777.11
  5. Step 5: Solve for x
    x = 33,450,777.11/7,092.72
  6. Step 6: Final answer
    x = 4,716.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.