Home / 7,456.94-11,182.56-2,190.82

Finding the Fourth Proportional to 7,456.94, 11,182.56 and 2,190.82

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Solution

The fourth proportional to 7,456.94, 11,182.56 and 2,190.82 is: 3,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.94 : 11,182.56 = 2,190.82 : x
  2. Step 2: Convert to fraction form
    7,456.94/11,182.56 = 2,190.82/x
  3. Step 3: Cross multiply
    7,456.94x = 11,182.56 × 2,190.82
  4. Step 4: Simplify right side
    7,456.94x = 24,498,992.35
  5. Step 5: Solve for x
    x = 24,498,992.35/7,456.94
  6. Step 6: Final answer
    x = 3,285.40

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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.