Home / 11,990.54-16,552.82-9,295.80

Finding the Fourth Proportional to 11,990.54, 16,552.82 and 9,295.80

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Solution

The fourth proportional to 11,990.54, 16,552.82 and 9,295.80 is: 12,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.54 : 16,552.82 = 9,295.80 : x
  2. Step 2: Convert to fraction form
    11,990.54/16,552.82 = 9,295.80/x
  3. Step 3: Cross multiply
    11,990.54x = 16,552.82 × 9,295.80
  4. Step 4: Simplify right side
    11,990.54x = 153,871,704.16
  5. Step 5: Solve for x
    x = 153,871,704.16/11,990.54
  6. Step 6: Final answer
    x = 12,832.76

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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.