Home / 11,010.37-16,515.55-3,219.18

Finding the Fourth Proportional to 11,010.37, 16,515.55 and 3,219.18

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Solution

The fourth proportional to 11,010.37, 16,515.55 and 3,219.18 is: 4,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.37 : 16,515.55 = 3,219.18 : x
  2. Step 2: Convert to fraction form
    11,010.37/16,515.55 = 3,219.18/x
  3. Step 3: Cross multiply
    11,010.37x = 16,515.55 × 3,219.18
  4. Step 4: Simplify right side
    11,010.37x = 53,166,528.25
  5. Step 5: Solve for x
    x = 53,166,528.25/11,010.37
  6. Step 6: Final answer
    x = 4,828.77

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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.