Home / 7,448.20-11,172.33-2,254.08

Finding the Fourth Proportional to 7,448.20, 11,172.33 and 2,254.08

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Solution

The fourth proportional to 7,448.20, 11,172.33 and 2,254.08 is: 3,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.20 : 11,172.33 = 2,254.08 : x
  2. Step 2: Convert to fraction form
    7,448.20/11,172.33 = 2,254.08/x
  3. Step 3: Cross multiply
    7,448.20x = 11,172.33 × 2,254.08
  4. Step 4: Simplify right side
    7,448.20x = 25,183,304.66
  5. Step 5: Solve for x
    x = 25,183,304.66/7,448.20
  6. Step 6: Final answer
    x = 3,381.12

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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.