Home / 11,771.34-16,245-6,736.11

Finding the Fourth Proportional to 11,771.34, 16,245 and 6,736.11

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Solution

The fourth proportional to 11,771.34, 16,245 and 6,736.11 is: 9,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.34 : 16,245 = 6,736.11 : x
  2. Step 2: Convert to fraction form
    11,771.34/16,245 = 6,736.11/x
  3. Step 3: Cross multiply
    11,771.34x = 16,245 × 6,736.11
  4. Step 4: Simplify right side
    11,771.34x = 109,428,106.95
  5. Step 5: Solve for x
    x = 109,428,106.95/11,771.34
  6. Step 6: Final answer
    x = 9,296.15

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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.