Home / 11,884.24-17,825.64-3,118.96

Finding the Fourth Proportional to 11,884.24, 17,825.64 and 3,118.96

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Solution

The fourth proportional to 11,884.24, 17,825.64 and 3,118.96 is: 4,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.24 : 17,825.64 = 3,118.96 : x
  2. Step 2: Convert to fraction form
    11,884.24/17,825.64 = 3,118.96/x
  3. Step 3: Cross multiply
    11,884.24x = 17,825.64 × 3,118.96
  4. Step 4: Simplify right side
    11,884.24x = 55,597,458.13
  5. Step 5: Solve for x
    x = 55,597,458.13/11,884.24
  6. Step 6: Final answer
    x = 4,678.25

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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.