Home / 11,226.33-15,491.51-6,190.65

Finding the Fourth Proportional to 11,226.33, 15,491.51 and 6,190.65

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Solution

The fourth proportional to 11,226.33, 15,491.51 and 6,190.65 is: 8,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.33 : 15,491.51 = 6,190.65 : x
  2. Step 2: Convert to fraction form
    11,226.33/15,491.51 = 6,190.65/x
  3. Step 3: Cross multiply
    11,226.33x = 15,491.51 × 6,190.65
  4. Step 4: Simplify right side
    11,226.33x = 95,902,485.43
  5. Step 5: Solve for x
    x = 95,902,485.43/11,226.33
  6. Step 6: Final answer
    x = 8,542.64

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Half scale
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Double scale
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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.