Home / 11,312.06-16,891.91-9,236.12

Finding the Fourth Proportional to 11,312.06, 16,891.91 and 9,236.12

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Solution

The fourth proportional to 11,312.06, 16,891.91 and 9,236.12 is: 13,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.06 : 16,891.91 = 9,236.12 : x
  2. Step 2: Convert to fraction form
    11,312.06/16,891.91 = 9,236.12/x
  3. Step 3: Cross multiply
    11,312.06x = 16,891.91 × 9,236.12
  4. Step 4: Simplify right side
    11,312.06x = 156,015,577.15
  5. Step 5: Solve for x
    x = 156,015,577.15/11,312.06
  6. Step 6: Final answer
    x = 13,791.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.