Home / 6,112.56-9,168.28-1,729.92

Finding the Fourth Proportional to 6,112.56, 9,168.28 and 1,729.92

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Solution

The fourth proportional to 6,112.56, 9,168.28 and 1,729.92 is: 2,594.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.56 : 9,168.28 = 1,729.92 : x
  2. Step 2: Convert to fraction form
    6,112.56/9,168.28 = 1,729.92/x
  3. Step 3: Cross multiply
    6,112.56x = 9,168.28 × 1,729.92
  4. Step 4: Simplify right side
    6,112.56x = 15,860,390.94
  5. Step 5: Solve for x
    x = 15,860,390.94/6,112.56
  6. Step 6: Final answer
    x = 2,594.72

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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.