Home / 11,011.37-16,517.06-3,220.19

Finding the Fourth Proportional to 11,011.37, 16,517.06 and 3,220.19

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Solution

The fourth proportional to 11,011.37, 16,517.06 and 3,220.19 is: 4,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.37 : 16,517.06 = 3,220.19 : x
  2. Step 2: Convert to fraction form
    11,011.37/16,517.06 = 3,220.19/x
  3. Step 3: Cross multiply
    11,011.37x = 16,517.06 × 3,220.19
  4. Step 4: Simplify right side
    11,011.37x = 53,187,972.76
  5. Step 5: Solve for x
    x = 53,187,972.76/11,011.37
  6. Step 6: Final answer
    x = 4,830.28

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Half scale
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Double scale
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Similar ratio
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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.