Home / 8,176.14-11,284.38-7,902.36

Finding the Fourth Proportional to 8,176.14, 11,284.38 and 7,902.36

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Solution

The fourth proportional to 8,176.14, 11,284.38 and 7,902.36 is: 10,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.14 : 11,284.38 = 7,902.36 : x
  2. Step 2: Convert to fraction form
    8,176.14/11,284.38 = 7,902.36/x
  3. Step 3: Cross multiply
    8,176.14x = 11,284.38 × 7,902.36
  4. Step 4: Simplify right side
    8,176.14x = 89,173,233.14
  5. Step 5: Solve for x
    x = 89,173,233.14/8,176.14
  6. Step 6: Final answer
    x = 10,906.52

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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.