Home / 11,937.81-16,474.19-6,633.12

Finding the Fourth Proportional to 11,937.81, 16,474.19 and 6,633.12

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Solution

The fourth proportional to 11,937.81, 16,474.19 and 6,633.12 is: 9,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.81 : 16,474.19 = 6,633.12 : x
  2. Step 2: Convert to fraction form
    11,937.81/16,474.19 = 6,633.12/x
  3. Step 3: Cross multiply
    11,937.81x = 16,474.19 × 6,633.12
  4. Step 4: Simplify right side
    11,937.81x = 109,275,279.17
  5. Step 5: Solve for x
    x = 109,275,279.17/11,937.81
  6. Step 6: Final answer
    x = 9,153.71

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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.