Home / 12,395.33-17,105.68-6,730.13

Finding the Fourth Proportional to 12,395.33, 17,105.68 and 6,730.13

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Solution

The fourth proportional to 12,395.33, 17,105.68 and 6,730.13 is: 9,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.33 : 17,105.68 = 6,730.13 : x
  2. Step 2: Convert to fraction form
    12,395.33/17,105.68 = 6,730.13/x
  3. Step 3: Cross multiply
    12,395.33x = 17,105.68 × 6,730.13
  4. Step 4: Simplify right side
    12,395.33x = 115,123,450.14
  5. Step 5: Solve for x
    x = 115,123,450.14/12,395.33
  6. Step 6: Final answer
    x = 9,287.65

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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.