Home / 11,956.44-16,500.42-9,963.66

Finding the Fourth Proportional to 11,956.44, 16,500.42 and 9,963.66

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Solution

The fourth proportional to 11,956.44, 16,500.42 and 9,963.66 is: 13,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.44 : 16,500.42 = 9,963.66 : x
  2. Step 2: Convert to fraction form
    11,956.44/16,500.42 = 9,963.66/x
  3. Step 3: Cross multiply
    11,956.44x = 16,500.42 × 9,963.66
  4. Step 4: Simplify right side
    11,956.44x = 164,404,574.74
  5. Step 5: Solve for x
    x = 164,404,574.74/11,956.44
  6. Step 6: Final answer
    x = 13,750.29

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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.