Home / 7,192.26-10,789.74-2,809.46

Finding the Fourth Proportional to 7,192.26, 10,789.74 and 2,809.46

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Solution

The fourth proportional to 7,192.26, 10,789.74 and 2,809.46 is: 4,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.26 : 10,789.74 = 2,809.46 : x
  2. Step 2: Convert to fraction form
    7,192.26/10,789.74 = 2,809.46/x
  3. Step 3: Cross multiply
    7,192.26x = 10,789.74 × 2,809.46
  4. Step 4: Simplify right side
    7,192.26x = 30,313,342.94
  5. Step 5: Solve for x
    x = 30,313,342.94/7,192.26
  6. Step 6: Final answer
    x = 4,214.72

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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.