Home / 8,813.12-13,216.61-3,546.77

Finding the Fourth Proportional to 8,813.12, 13,216.61 and 3,546.77

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Solution

The fourth proportional to 8,813.12, 13,216.61 and 3,546.77 is: 5,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.12 : 13,216.61 = 3,546.77 : x
  2. Step 2: Convert to fraction form
    8,813.12/13,216.61 = 3,546.77/x
  3. Step 3: Cross multiply
    8,813.12x = 13,216.61 × 3,546.77
  4. Step 4: Simplify right side
    8,813.12x = 46,876,192.03
  5. Step 5: Solve for x
    x = 46,876,192.03/8,813.12
  6. Step 6: Final answer
    x = 5,318.91

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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.