Home / 11,733.95-16,192.44-6,428.72

Finding the Fourth Proportional to 11,733.95, 16,192.44 and 6,428.72

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Solution

The fourth proportional to 11,733.95, 16,192.44 and 6,428.72 is: 8,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.95 : 16,192.44 = 6,428.72 : x
  2. Step 2: Convert to fraction form
    11,733.95/16,192.44 = 6,428.72/x
  3. Step 3: Cross multiply
    11,733.95x = 16,192.44 × 6,428.72
  4. Step 4: Simplify right side
    11,733.95x = 104,096,662.88
  5. Step 5: Solve for x
    x = 104,096,662.88/11,733.95
  6. Step 6: Final answer
    x = 8,871.41

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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.