Home / 7,849.79-10,822.23-6,725.91

Finding the Fourth Proportional to 7,849.79, 10,822.23 and 6,725.91

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Solution

The fourth proportional to 7,849.79, 10,822.23 and 6,725.91 is: 9,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.79 : 10,822.23 = 6,725.91 : x
  2. Step 2: Convert to fraction form
    7,849.79/10,822.23 = 6,725.91/x
  3. Step 3: Cross multiply
    7,849.79x = 10,822.23 × 6,725.91
  4. Step 4: Simplify right side
    7,849.79x = 72,789,344.98
  5. Step 5: Solve for x
    x = 72,789,344.98/7,849.79
  6. Step 6: Final answer
    x = 9,272.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.