Home / 10,125.54-15,192.72-3,556.44

Finding the Fourth Proportional to 10,125.54, 15,192.72 and 3,556.44

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Solution

The fourth proportional to 10,125.54, 15,192.72 and 3,556.44 is: 5,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.54 : 15,192.72 = 3,556.44 : x
  2. Step 2: Convert to fraction form
    10,125.54/15,192.72 = 3,556.44/x
  3. Step 3: Cross multiply
    10,125.54x = 15,192.72 × 3,556.44
  4. Step 4: Simplify right side
    10,125.54x = 54,031,997.12
  5. Step 5: Solve for x
    x = 54,031,997.12/10,125.54
  6. Step 6: Final answer
    x = 5,336.21

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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.