Home / 8,091.50-11,166.83-4,506.74

Finding the Fourth Proportional to 8,091.50, 11,166.83 and 4,506.74

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Solution

The fourth proportional to 8,091.50, 11,166.83 and 4,506.74 is: 6,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.50 : 11,166.83 = 4,506.74 : x
  2. Step 2: Convert to fraction form
    8,091.50/11,166.83 = 4,506.74/x
  3. Step 3: Cross multiply
    8,091.50x = 11,166.83 × 4,506.74
  4. Step 4: Simplify right side
    8,091.50x = 50,325,979.84
  5. Step 5: Solve for x
    x = 50,325,979.84/8,091.50
  6. Step 6: Final answer
    x = 6,219.61

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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.