Home / 11,611.32-16,026.18-7,632.80

Finding the Fourth Proportional to 11,611.32, 16,026.18 and 7,632.80

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Solution

The fourth proportional to 11,611.32, 16,026.18 and 7,632.80 is: 10,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.32 : 16,026.18 = 7,632.80 : x
  2. Step 2: Convert to fraction form
    11,611.32/16,026.18 = 7,632.80/x
  3. Step 3: Cross multiply
    11,611.32x = 16,026.18 × 7,632.80
  4. Step 4: Simplify right side
    11,611.32x = 122,324,626.70
  5. Step 5: Solve for x
    x = 122,324,626.70/11,611.32
  6. Step 6: Final answer
    x = 10,534.95

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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.