Home / 11,425.20-17,126.16-6,484.44

Finding the Fourth Proportional to 11,425.20, 17,126.16 and 6,484.44

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Solution

The fourth proportional to 11,425.20, 17,126.16 and 6,484.44 is: 9,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.20 : 17,126.16 = 6,484.44 : x
  2. Step 2: Convert to fraction form
    11,425.20/17,126.16 = 6,484.44/x
  3. Step 3: Cross multiply
    11,425.20x = 17,126.16 × 6,484.44
  4. Step 4: Simplify right side
    11,425.20x = 111,053,556.95
  5. Step 5: Solve for x
    x = 111,053,556.95/11,425.20
  6. Step 6: Final answer
    x = 9,720.05

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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.