Home / 11,953.82-16,496.62-6,648.98

Finding the Fourth Proportional to 11,953.82, 16,496.62 and 6,648.98

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Solution

The fourth proportional to 11,953.82, 16,496.62 and 6,648.98 is: 9,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.82 : 16,496.62 = 6,648.98 : x
  2. Step 2: Convert to fraction form
    11,953.82/16,496.62 = 6,648.98/x
  3. Step 3: Cross multiply
    11,953.82x = 16,496.62 × 6,648.98
  4. Step 4: Simplify right side
    11,953.82x = 109,685,696.45
  5. Step 5: Solve for x
    x = 109,685,696.45/11,953.82
  6. Step 6: Final answer
    x = 9,175.79

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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.