Home / 11,823.96-16,316.82-6,518.76

Finding the Fourth Proportional to 11,823.96, 16,316.82 and 6,518.76

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Solution

The fourth proportional to 11,823.96, 16,316.82 and 6,518.76 is: 8,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.96 : 16,316.82 = 6,518.76 : x
  2. Step 2: Convert to fraction form
    11,823.96/16,316.82 = 6,518.76/x
  3. Step 3: Cross multiply
    11,823.96x = 16,316.82 × 6,518.76
  4. Step 4: Simplify right side
    11,823.96x = 106,365,433.54
  5. Step 5: Solve for x
    x = 106,365,433.54/11,823.96
  6. Step 6: Final answer
    x = 8,995.75

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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.