Home / 11,577.97-17,357.23-7,869.79

Finding the Fourth Proportional to 11,577.97, 17,357.23 and 7,869.79

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Solution

The fourth proportional to 11,577.97, 17,357.23 and 7,869.79 is: 11,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.97 : 17,357.23 = 7,869.79 : x
  2. Step 2: Convert to fraction form
    11,577.97/17,357.23 = 7,869.79/x
  3. Step 3: Cross multiply
    11,577.97x = 17,357.23 × 7,869.79
  4. Step 4: Simplify right side
    11,577.97x = 136,597,755.08
  5. Step 5: Solve for x
    x = 136,597,755.08/11,577.97
  6. Step 6: Final answer
    x = 11,798.07

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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.