Home / 11,818.84-16,309.60-6,513.74

Finding the Fourth Proportional to 11,818.84, 16,309.60 and 6,513.74

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Solution

The fourth proportional to 11,818.84, 16,309.60 and 6,513.74 is: 8,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.84 : 16,309.60 = 6,513.74 : x
  2. Step 2: Convert to fraction form
    11,818.84/16,309.60 = 6,513.74/x
  3. Step 3: Cross multiply
    11,818.84x = 16,309.60 × 6,513.74
  4. Step 4: Simplify right side
    11,818.84x = 106,236,493.90
  5. Step 5: Solve for x
    x = 106,236,493.90/11,818.84
  6. Step 6: Final answer
    x = 8,988.74

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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.