Home / 11,299.12-15,598.22-7,944.80

Finding the Fourth Proportional to 11,299.12, 15,598.22 and 7,944.80

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Solution

The fourth proportional to 11,299.12, 15,598.22 and 7,944.80 is: 10,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.12 : 15,598.22 = 7,944.80 : x
  2. Step 2: Convert to fraction form
    11,299.12/15,598.22 = 7,944.80/x
  3. Step 3: Cross multiply
    11,299.12x = 15,598.22 × 7,944.80
  4. Step 4: Simplify right side
    11,299.12x = 123,924,620.54
  5. Step 5: Solve for x
    x = 123,924,620.54/11,299.12
  6. Step 6: Final answer
    x = 10,967.64

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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.