Home / 11,638.76-16,061.79-6,333.90

Finding the Fourth Proportional to 11,638.76, 16,061.79 and 6,333.90

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Solution

The fourth proportional to 11,638.76, 16,061.79 and 6,333.90 is: 8,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.76 : 16,061.79 = 6,333.90 : x
  2. Step 2: Convert to fraction form
    11,638.76/16,061.79 = 6,333.90/x
  3. Step 3: Cross multiply
    11,638.76x = 16,061.79 × 6,333.90
  4. Step 4: Simplify right side
    11,638.76x = 101,733,771.68
  5. Step 5: Solve for x
    x = 101,733,771.68/11,638.76
  6. Step 6: Final answer
    x = 8,740.95

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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.