Home / 11,360.97-15,691.26-7,577.56

Finding the Fourth Proportional to 11,360.97, 15,691.26 and 7,577.56

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Solution

The fourth proportional to 11,360.97, 15,691.26 and 7,577.56 is: 10,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.97 : 15,691.26 = 7,577.56 : x
  2. Step 2: Convert to fraction form
    11,360.97/15,691.26 = 7,577.56/x
  3. Step 3: Cross multiply
    11,360.97x = 15,691.26 × 7,577.56
  4. Step 4: Simplify right side
    11,360.97x = 118,901,347.78
  5. Step 5: Solve for x
    x = 118,901,347.78/11,360.97
  6. Step 6: Final answer
    x = 10,465.78

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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.