Home / 11,349.87-17,018.96-5,104.55

Finding the Fourth Proportional to 11,349.87, 17,018.96 and 5,104.55

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Solution

The fourth proportional to 11,349.87, 17,018.96 and 5,104.55 is: 7,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.87 : 17,018.96 = 5,104.55 : x
  2. Step 2: Convert to fraction form
    11,349.87/17,018.96 = 5,104.55/x
  3. Step 3: Cross multiply
    11,349.87x = 17,018.96 × 5,104.55
  4. Step 4: Simplify right side
    11,349.87x = 86,874,021.65
  5. Step 5: Solve for x
    x = 86,874,021.65/11,349.87
  6. Step 6: Final answer
    x = 7,654.19

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1.5x scale

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.