Home / 11,453.78-17,169.73-3,657.53

Finding the Fourth Proportional to 11,453.78, 17,169.73 and 3,657.53

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Solution

The fourth proportional to 11,453.78, 17,169.73 and 3,657.53 is: 5,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.78 : 17,169.73 = 3,657.53 : x
  2. Step 2: Convert to fraction form
    11,453.78/17,169.73 = 3,657.53/x
  3. Step 3: Cross multiply
    11,453.78x = 17,169.73 × 3,657.53
  4. Step 4: Simplify right side
    11,453.78x = 62,798,802.57
  5. Step 5: Solve for x
    x = 62,798,802.57/11,453.78
  6. Step 6: Final answer
    x = 5,482.80

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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.