Home / 11,936.24-16,473.48-7,742.96

Finding the Fourth Proportional to 11,936.24, 16,473.48 and 7,742.96

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Solution

The fourth proportional to 11,936.24, 16,473.48 and 7,742.96 is: 10,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.24 : 16,473.48 = 7,742.96 : x
  2. Step 2: Convert to fraction form
    11,936.24/16,473.48 = 7,742.96/x
  3. Step 3: Cross multiply
    11,936.24x = 16,473.48 × 7,742.96
  4. Step 4: Simplify right side
    11,936.24x = 127,553,496.70
  5. Step 5: Solve for x
    x = 127,553,496.70/11,936.24
  6. Step 6: Final answer
    x = 10,686.24

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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.