Home / 10,790.28-16,187.42-4,216.07

Finding the Fourth Proportional to 10,790.28, 16,187.42 and 4,216.07

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Solution

The fourth proportional to 10,790.28, 16,187.42 and 4,216.07 is: 6,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.28 : 16,187.42 = 4,216.07 : x
  2. Step 2: Convert to fraction form
    10,790.28/16,187.42 = 4,216.07/x
  3. Step 3: Cross multiply
    10,790.28x = 16,187.42 × 4,216.07
  4. Step 4: Simplify right side
    10,790.28x = 68,247,193.82
  5. Step 5: Solve for x
    x = 68,247,193.82/10,790.28
  6. Step 6: Final answer
    x = 6,324.88

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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.