Home / 10,991.83-15,150.99-8,597.56

Finding the Fourth Proportional to 10,991.83, 15,150.99 and 8,597.56

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Solution

The fourth proportional to 10,991.83, 15,150.99 and 8,597.56 is: 11,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.83 : 15,150.99 = 8,597.56 : x
  2. Step 2: Convert to fraction form
    10,991.83/15,150.99 = 8,597.56/x
  3. Step 3: Cross multiply
    10,991.83x = 15,150.99 × 8,597.56
  4. Step 4: Simplify right side
    10,991.83x = 130,261,545.58
  5. Step 5: Solve for x
    x = 130,261,545.58/10,991.83
  6. Step 6: Final answer
    x = 11,850.76

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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.