Home / 11,818.20-16,309.22-6,513.03

Finding the Fourth Proportional to 11,818.20, 16,309.22 and 6,513.03

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Solution

The fourth proportional to 11,818.20, 16,309.22 and 6,513.03 is: 8,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.20 : 16,309.22 = 6,513.03 : x
  2. Step 2: Convert to fraction form
    11,818.20/16,309.22 = 6,513.03/x
  3. Step 3: Cross multiply
    11,818.20x = 16,309.22 × 6,513.03
  4. Step 4: Simplify right side
    11,818.20x = 106,222,406.57
  5. Step 5: Solve for x
    x = 106,222,406.57/11,818.20
  6. Step 6: Final answer
    x = 8,988.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.