Home / 11,447.04-17,172.72-3,653.76

Finding the Fourth Proportional to 11,447.04, 17,172.72 and 3,653.76

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Solution

The fourth proportional to 11,447.04, 17,172.72 and 3,653.76 is: 5,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.04 : 17,172.72 = 3,653.76 : x
  2. Step 2: Convert to fraction form
    11,447.04/17,172.72 = 3,653.76/x
  3. Step 3: Cross multiply
    11,447.04x = 17,172.72 × 3,653.76
  4. Step 4: Simplify right side
    11,447.04x = 62,744,997.43
  5. Step 5: Solve for x
    x = 62,744,997.43/11,447.04
  6. Step 6: Final answer
    x = 5,481.33

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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.