Home / 11,179.82-15,419.16-9,832.59

Finding the Fourth Proportional to 11,179.82, 15,419.16 and 9,832.59

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Solution

The fourth proportional to 11,179.82, 15,419.16 and 9,832.59 is: 13,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.82 : 15,419.16 = 9,832.59 : x
  2. Step 2: Convert to fraction form
    11,179.82/15,419.16 = 9,832.59/x
  3. Step 3: Cross multiply
    11,179.82x = 15,419.16 × 9,832.59
  4. Step 4: Simplify right side
    11,179.82x = 151,610,278.42
  5. Step 5: Solve for x
    x = 151,610,278.42/11,179.82
  6. Step 6: Final answer
    x = 13,561.06

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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.