Home / 10,816.77-16,195.84-5,611.71

Finding the Fourth Proportional to 10,816.77, 16,195.84 and 5,611.71

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Solution

The fourth proportional to 10,816.77, 16,195.84 and 5,611.71 is: 8,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.77 : 16,195.84 = 5,611.71 : x
  2. Step 2: Convert to fraction form
    10,816.77/16,195.84 = 5,611.71/x
  3. Step 3: Cross multiply
    10,816.77x = 16,195.84 × 5,611.71
  4. Step 4: Simplify right side
    10,816.77x = 90,886,357.29
  5. Step 5: Solve for x
    x = 90,886,357.29/10,816.77
  6. Step 6: Final answer
    x = 8,402.36

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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.