Home / 11,657.48-17,480.88-3,758.56

Finding the Fourth Proportional to 11,657.48, 17,480.88 and 3,758.56

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Solution

The fourth proportional to 11,657.48, 17,480.88 and 3,758.56 is: 5,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.48 : 17,480.88 = 3,758.56 : x
  2. Step 2: Convert to fraction form
    11,657.48/17,480.88 = 3,758.56/x
  3. Step 3: Cross multiply
    11,657.48x = 17,480.88 × 3,758.56
  4. Step 4: Simplify right side
    11,657.48x = 65,702,936.33
  5. Step 5: Solve for x
    x = 65,702,936.33/11,657.48
  6. Step 6: Final answer
    x = 5,636.12

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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.