Home / 8,811.83-12,161.09-4,833.72

Finding the Fourth Proportional to 8,811.83, 12,161.09 and 4,833.72

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Solution

The fourth proportional to 8,811.83, 12,161.09 and 4,833.72 is: 6,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.83 : 12,161.09 = 4,833.72 : x
  2. Step 2: Convert to fraction form
    8,811.83/12,161.09 = 4,833.72/x
  3. Step 3: Cross multiply
    8,811.83x = 12,161.09 × 4,833.72
  4. Step 4: Simplify right side
    8,811.83x = 58,783,316.04
  5. Step 5: Solve for x
    x = 58,783,316.04/8,811.83
  6. Step 6: Final answer
    x = 6,670.95

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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.