Home / 6,112.46-8,435.12-3,317.96

Finding the Fourth Proportional to 6,112.46, 8,435.12 and 3,317.96

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Solution

The fourth proportional to 6,112.46, 8,435.12 and 3,317.96 is: 4,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.46 : 8,435.12 = 3,317.96 : x
  2. Step 2: Convert to fraction form
    6,112.46/8,435.12 = 3,317.96/x
  3. Step 3: Cross multiply
    6,112.46x = 8,435.12 × 3,317.96
  4. Step 4: Simplify right side
    6,112.46x = 27,987,390.76
  5. Step 5: Solve for x
    x = 27,987,390.76/6,112.46
  6. Step 6: Final answer
    x = 4,578.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.