Home / 11,272.77-15,553.62-6,799.14

Finding the Fourth Proportional to 11,272.77, 15,553.62 and 6,799.14

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Solution

The fourth proportional to 11,272.77, 15,553.62 and 6,799.14 is: 9,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.77 : 15,553.62 = 6,799.14 : x
  2. Step 2: Convert to fraction form
    11,272.77/15,553.62 = 6,799.14/x
  3. Step 3: Cross multiply
    11,272.77x = 15,553.62 × 6,799.14
  4. Step 4: Simplify right side
    11,272.77x = 105,751,239.89
  5. Step 5: Solve for x
    x = 105,751,239.89/11,272.77
  6. Step 6: Final answer
    x = 9,381.12

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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.