Home / 7,789.72-11,680.26-2,592.76

Finding the Fourth Proportional to 7,789.72, 11,680.26 and 2,592.76

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Solution

The fourth proportional to 7,789.72, 11,680.26 and 2,592.76 is: 3,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.72 : 11,680.26 = 2,592.76 : x
  2. Step 2: Convert to fraction form
    7,789.72/11,680.26 = 2,592.76/x
  3. Step 3: Cross multiply
    7,789.72x = 11,680.26 × 2,592.76
  4. Step 4: Simplify right side
    7,789.72x = 30,284,110.92
  5. Step 5: Solve for x
    x = 30,284,110.92/7,789.72
  6. Step 6: Final answer
    x = 3,887.70

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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.