Home / 11,995.73-16,553.36-6,618.23

Finding the Fourth Proportional to 11,995.73, 16,553.36 and 6,618.23

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Solution

The fourth proportional to 11,995.73, 16,553.36 and 6,618.23 is: 9,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.73 : 16,553.36 = 6,618.23 : x
  2. Step 2: Convert to fraction form
    11,995.73/16,553.36 = 6,618.23/x
  3. Step 3: Cross multiply
    11,995.73x = 16,553.36 × 6,618.23
  4. Step 4: Simplify right side
    11,995.73x = 109,554,032.72
  5. Step 5: Solve for x
    x = 109,554,032.72/11,995.73
  6. Step 6: Final answer
    x = 9,132.75

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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.