Home / 11,226.08-15,491.66-6,190.30

Finding the Fourth Proportional to 11,226.08, 15,491.66 and 6,190.30

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Solution

The fourth proportional to 11,226.08, 15,491.66 and 6,190.30 is: 8,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.08 : 15,491.66 = 6,190.30 : x
  2. Step 2: Convert to fraction form
    11,226.08/15,491.66 = 6,190.30/x
  3. Step 3: Cross multiply
    11,226.08x = 15,491.66 × 6,190.30
  4. Step 4: Simplify right side
    11,226.08x = 95,898,011.31
  5. Step 5: Solve for x
    x = 95,898,011.31/11,226.08
  6. Step 6: Final answer
    x = 8,542.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.