Home / 10,563.44-15,844.80-2,772.20

Finding the Fourth Proportional to 10,563.44, 15,844.80 and 2,772.20

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Solution

The fourth proportional to 10,563.44, 15,844.80 and 2,772.20 is: 4,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.44 : 15,844.80 = 2,772.20 : x
  2. Step 2: Convert to fraction form
    10,563.44/15,844.80 = 2,772.20/x
  3. Step 3: Cross multiply
    10,563.44x = 15,844.80 × 2,772.20
  4. Step 4: Simplify right side
    10,563.44x = 43,924,954.56
  5. Step 5: Solve for x
    x = 43,924,954.56/10,563.44
  6. Step 6: Final answer
    x = 4,158.21

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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.