Home / 11,793.76-16,258.56-8,435.36

Finding the Fourth Proportional to 11,793.76, 16,258.56 and 8,435.36

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Solution

The fourth proportional to 11,793.76, 16,258.56 and 8,435.36 is: 11,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.76 : 16,258.56 = 8,435.36 : x
  2. Step 2: Convert to fraction form
    11,793.76/16,258.56 = 8,435.36/x
  3. Step 3: Cross multiply
    11,793.76x = 16,258.56 × 8,435.36
  4. Step 4: Simplify right side
    11,793.76x = 137,146,806.68
  5. Step 5: Solve for x
    x = 137,146,806.68/11,793.76
  6. Step 6: Final answer
    x = 11,628.76

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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.