Home / 11,832.66-16,333.38-7,116.12

Finding the Fourth Proportional to 11,832.66, 16,333.38 and 7,116.12

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Solution

The fourth proportional to 11,832.66, 16,333.38 and 7,116.12 is: 9,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.66 : 16,333.38 = 7,116.12 : x
  2. Step 2: Convert to fraction form
    11,832.66/16,333.38 = 7,116.12/x
  3. Step 3: Cross multiply
    11,832.66x = 16,333.38 × 7,116.12
  4. Step 4: Simplify right side
    11,832.66x = 116,230,292.09
  5. Step 5: Solve for x
    x = 116,230,292.09/11,832.66
  6. Step 6: Final answer
    x = 9,822.84

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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.