Home / 11,908.76-16,430.37-6,872.33

Finding the Fourth Proportional to 11,908.76, 16,430.37 and 6,872.33

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Solution

The fourth proportional to 11,908.76, 16,430.37 and 6,872.33 is: 9,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.76 : 16,430.37 = 6,872.33 : x
  2. Step 2: Convert to fraction form
    11,908.76/16,430.37 = 6,872.33/x
  3. Step 3: Cross multiply
    11,908.76x = 16,430.37 × 6,872.33
  4. Step 4: Simplify right side
    11,908.76x = 112,914,924.66
  5. Step 5: Solve for x
    x = 112,914,924.66/11,908.76
  6. Step 6: Final answer
    x = 9,481.67

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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.