Home / 12,591.48-18,879.12-4,796.04

Finding the Fourth Proportional to 12,591.48, 18,879.12 and 4,796.04

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Solution

The fourth proportional to 12,591.48, 18,879.12 and 4,796.04 is: 7,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.48 : 18,879.12 = 4,796.04 : x
  2. Step 2: Convert to fraction form
    12,591.48/18,879.12 = 4,796.04/x
  3. Step 3: Cross multiply
    12,591.48x = 18,879.12 × 4,796.04
  4. Step 4: Simplify right side
    12,591.48x = 90,545,014.68
  5. Step 5: Solve for x
    x = 90,545,014.68/12,591.48
  6. Step 6: Final answer
    x = 7,190.97

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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.