Home / 6,276.09-8,661.11-3,623.73

Finding the Fourth Proportional to 6,276.09, 8,661.11 and 3,623.73

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Solution

The fourth proportional to 6,276.09, 8,661.11 and 3,623.73 is: 5,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.09 : 8,661.11 = 3,623.73 : x
  2. Step 2: Convert to fraction form
    6,276.09/8,661.11 = 3,623.73/x
  3. Step 3: Cross multiply
    6,276.09x = 8,661.11 × 3,623.73
  4. Step 4: Simplify right side
    6,276.09x = 31,385,506.02
  5. Step 5: Solve for x
    x = 31,385,506.02/6,276.09
  6. Step 6: Final answer
    x = 5,000.81

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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.