Home / 11,907.66-16,433.56-6,604.19

Finding the Fourth Proportional to 11,907.66, 16,433.56 and 6,604.19

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Solution

The fourth proportional to 11,907.66, 16,433.56 and 6,604.19 is: 9,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.66 : 16,433.56 = 6,604.19 : x
  2. Step 2: Convert to fraction form
    11,907.66/16,433.56 = 6,604.19/x
  3. Step 3: Cross multiply
    11,907.66x = 16,433.56 × 6,604.19
  4. Step 4: Simplify right side
    11,907.66x = 108,530,352.62
  5. Step 5: Solve for x
    x = 108,530,352.62/11,907.66
  6. Step 6: Final answer
    x = 9,114.33

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.