Home / 7,982.97-11,011.10-6,195.08

Finding the Fourth Proportional to 7,982.97, 11,011.10 and 6,195.08

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Solution

The fourth proportional to 7,982.97, 11,011.10 and 6,195.08 is: 8,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.97 : 11,011.10 = 6,195.08 : x
  2. Step 2: Convert to fraction form
    7,982.97/11,011.10 = 6,195.08/x
  3. Step 3: Cross multiply
    7,982.97x = 11,011.10 × 6,195.08
  4. Step 4: Simplify right side
    7,982.97x = 68,214,559.36
  5. Step 5: Solve for x
    x = 68,214,559.36/7,982.97
  6. Step 6: Final answer
    x = 8,545.01

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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.