Home / 6,163.80-8,506.25-3,511.32

Finding the Fourth Proportional to 6,163.80, 8,506.25 and 3,511.32

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Solution

The fourth proportional to 6,163.80, 8,506.25 and 3,511.32 is: 4,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.80 : 8,506.25 = 3,511.32 : x
  2. Step 2: Convert to fraction form
    6,163.80/8,506.25 = 3,511.32/x
  3. Step 3: Cross multiply
    6,163.80x = 8,506.25 × 3,511.32
  4. Step 4: Simplify right side
    6,163.80x = 29,868,165.75
  5. Step 5: Solve for x
    x = 29,868,165.75/6,163.80
  6. Step 6: Final answer
    x = 4,845.74

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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.