Home / 10,891.91-16,329.06-4,224.96

Finding the Fourth Proportional to 10,891.91, 16,329.06 and 4,224.96

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Solution

The fourth proportional to 10,891.91, 16,329.06 and 4,224.96 is: 6,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.91 : 16,329.06 = 4,224.96 : x
  2. Step 2: Convert to fraction form
    10,891.91/16,329.06 = 4,224.96/x
  3. Step 3: Cross multiply
    10,891.91x = 16,329.06 × 4,224.96
  4. Step 4: Simplify right side
    10,891.91x = 68,989,661.59
  5. Step 5: Solve for x
    x = 68,989,661.59/10,891.91
  6. Step 6: Final answer
    x = 6,334.03

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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.