Home / 10,148.48-15,224.72-3,579.28

Finding the Fourth Proportional to 10,148.48, 15,224.72 and 3,579.28

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Solution

The fourth proportional to 10,148.48, 15,224.72 and 3,579.28 is: 5,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.48 : 15,224.72 = 3,579.28 : x
  2. Step 2: Convert to fraction form
    10,148.48/15,224.72 = 3,579.28/x
  3. Step 3: Cross multiply
    10,148.48x = 15,224.72 × 3,579.28
  4. Step 4: Simplify right side
    10,148.48x = 54,493,535.80
  5. Step 5: Solve for x
    x = 54,493,535.80/10,148.48
  6. Step 6: Final answer
    x = 5,369.63

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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.