Home / 7,789.19-11,685.63-2,524.20

Finding the Fourth Proportional to 7,789.19, 11,685.63 and 2,524.20

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Solution

The fourth proportional to 7,789.19, 11,685.63 and 2,524.20 is: 3,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.19 : 11,685.63 = 2,524.20 : x
  2. Step 2: Convert to fraction form
    7,789.19/11,685.63 = 2,524.20/x
  3. Step 3: Cross multiply
    7,789.19x = 11,685.63 × 2,524.20
  4. Step 4: Simplify right side
    7,789.19x = 29,496,867.25
  5. Step 5: Solve for x
    x = 29,496,867.25/7,789.19
  6. Step 6: Final answer
    x = 3,786.90

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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.