Home / 11,397.52-17,097.99-5,157.39

Finding the Fourth Proportional to 11,397.52, 17,097.99 and 5,157.39

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Solution

The fourth proportional to 11,397.52, 17,097.99 and 5,157.39 is: 7,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.52 : 17,097.99 = 5,157.39 : x
  2. Step 2: Convert to fraction form
    11,397.52/17,097.99 = 5,157.39/x
  3. Step 3: Cross multiply
    11,397.52x = 17,097.99 × 5,157.39
  4. Step 4: Simplify right side
    11,397.52x = 88,181,002.65
  5. Step 5: Solve for x
    x = 88,181,002.65/11,397.52
  6. Step 6: Final answer
    x = 7,736.86

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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.