Home / 6,876.82-10,312.08-2,195.92

Finding the Fourth Proportional to 6,876.82, 10,312.08 and 2,195.92

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Solution

The fourth proportional to 6,876.82, 10,312.08 and 2,195.92 is: 3,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.82 : 10,312.08 = 2,195.92 : x
  2. Step 2: Convert to fraction form
    6,876.82/10,312.08 = 2,195.92/x
  3. Step 3: Cross multiply
    6,876.82x = 10,312.08 × 2,195.92
  4. Step 4: Simplify right side
    6,876.82x = 22,644,502.71
  5. Step 5: Solve for x
    x = 22,644,502.71/6,876.82
  6. Step 6: Final answer
    x = 3,292.87

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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.