Home / 10,939.41-16,382.99-5,660.24

Finding the Fourth Proportional to 10,939.41, 16,382.99 and 5,660.24

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Solution

The fourth proportional to 10,939.41, 16,382.99 and 5,660.24 is: 8,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.41 : 16,382.99 = 5,660.24 : x
  2. Step 2: Convert to fraction form
    10,939.41/16,382.99 = 5,660.24/x
  3. Step 3: Cross multiply
    10,939.41x = 16,382.99 × 5,660.24
  4. Step 4: Simplify right side
    10,939.41x = 92,731,587.55
  5. Step 5: Solve for x
    x = 92,731,587.55/10,939.41
  6. Step 6: Final answer
    x = 8,476.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.