Home / 11,419.79-17,132.08-4,845.83

Finding the Fourth Proportional to 11,419.79, 17,132.08 and 4,845.83

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Solution

The fourth proportional to 11,419.79, 17,132.08 and 4,845.83 is: 7,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.79 : 17,132.08 = 4,845.83 : x
  2. Step 2: Convert to fraction form
    11,419.79/17,132.08 = 4,845.83/x
  3. Step 3: Cross multiply
    11,419.79x = 17,132.08 × 4,845.83
  4. Step 4: Simplify right side
    11,419.79x = 83,019,147.23
  5. Step 5: Solve for x
    x = 83,019,147.23/11,419.79
  6. Step 6: Final answer
    x = 7,269.76

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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.