Home / 11,792.11-16,272.84-6,486.88

Finding the Fourth Proportional to 11,792.11, 16,272.84 and 6,486.88

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Solution

The fourth proportional to 11,792.11, 16,272.84 and 6,486.88 is: 8,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.11 : 16,272.84 = 6,486.88 : x
  2. Step 2: Convert to fraction form
    11,792.11/16,272.84 = 6,486.88/x
  3. Step 3: Cross multiply
    11,792.11x = 16,272.84 × 6,486.88
  4. Step 4: Simplify right side
    11,792.11x = 105,559,960.34
  5. Step 5: Solve for x
    x = 105,559,960.34/11,792.11
  6. Step 6: Final answer
    x = 8,951.74

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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.