Home / 10,891.13-16,336.89-3,100.14

Finding the Fourth Proportional to 10,891.13, 16,336.89 and 3,100.14

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Solution

The fourth proportional to 10,891.13, 16,336.89 and 3,100.14 is: 4,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.13 : 16,336.89 = 3,100.14 : x
  2. Step 2: Convert to fraction form
    10,891.13/16,336.89 = 3,100.14/x
  3. Step 3: Cross multiply
    10,891.13x = 16,336.89 × 3,100.14
  4. Step 4: Simplify right side
    10,891.13x = 50,646,646.16
  5. Step 5: Solve for x
    x = 50,646,646.16/10,891.13
  6. Step 6: Final answer
    x = 4,650.27

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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.