Home / 11,836.80-17,743.68-4,904.64

Finding the Fourth Proportional to 11,836.80, 17,743.68 and 4,904.64

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Solution

The fourth proportional to 11,836.80, 17,743.68 and 4,904.64 is: 7,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.80 : 17,743.68 = 4,904.64 : x
  2. Step 2: Convert to fraction form
    11,836.80/17,743.68 = 4,904.64/x
  3. Step 3: Cross multiply
    11,836.80x = 17,743.68 × 4,904.64
  4. Step 4: Simplify right side
    11,836.80x = 87,026,362.68
  5. Step 5: Solve for x
    x = 87,026,362.68/11,836.80
  6. Step 6: Final answer
    x = 7,352.19

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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.