Home / 11,375.12-17,064.28-4,797.20

Finding the Fourth Proportional to 11,375.12, 17,064.28 and 4,797.20

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Solution

The fourth proportional to 11,375.12, 17,064.28 and 4,797.20 is: 7,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.12 : 17,064.28 = 4,797.20 : x
  2. Step 2: Convert to fraction form
    11,375.12/17,064.28 = 4,797.20/x
  3. Step 3: Cross multiply
    11,375.12x = 17,064.28 × 4,797.20
  4. Step 4: Simplify right side
    11,375.12x = 81,860,764.02
  5. Step 5: Solve for x
    x = 81,860,764.02/11,375.12
  6. Step 6: Final answer
    x = 7,196.47

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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.