Home / 12,202.55-18,296.99-4,805.02

Finding the Fourth Proportional to 12,202.55, 18,296.99 and 4,805.02

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Solution

The fourth proportional to 12,202.55, 18,296.99 and 4,805.02 is: 7,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.55 : 18,296.99 = 4,805.02 : x
  2. Step 2: Convert to fraction form
    12,202.55/18,296.99 = 4,805.02/x
  3. Step 3: Cross multiply
    12,202.55x = 18,296.99 × 4,805.02
  4. Step 4: Simplify right side
    12,202.55x = 87,917,419.75
  5. Step 5: Solve for x
    x = 87,917,419.75/12,202.55
  6. Step 6: Final answer
    x = 7,204.84

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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.