Home / 11,729.94-16,187.57-6,694.06

Finding the Fourth Proportional to 11,729.94, 16,187.57 and 6,694.06

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Solution

The fourth proportional to 11,729.94, 16,187.57 and 6,694.06 is: 9,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.94 : 16,187.57 = 6,694.06 : x
  2. Step 2: Convert to fraction form
    11,729.94/16,187.57 = 6,694.06/x
  3. Step 3: Cross multiply
    11,729.94x = 16,187.57 × 6,694.06
  4. Step 4: Simplify right side
    11,729.94x = 108,360,483.90
  5. Step 5: Solve for x
    x = 108,360,483.90/11,729.94
  6. Step 6: Final answer
    x = 9,237.94

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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.