Home / 11,995.59-16,553.92-6,690.41

Finding the Fourth Proportional to 11,995.59, 16,553.92 and 6,690.41

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Solution

The fourth proportional to 11,995.59, 16,553.92 and 6,690.41 is: 9,232.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.59 : 16,553.92 = 6,690.41 : x
  2. Step 2: Convert to fraction form
    11,995.59/16,553.92 = 6,690.41/x
  3. Step 3: Cross multiply
    11,995.59x = 16,553.92 × 6,690.41
  4. Step 4: Simplify right side
    11,995.59x = 110,752,580.15
  5. Step 5: Solve for x
    x = 110,752,580.15/11,995.59
  6. Step 6: Final answer
    x = 9,232.77

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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.