Home / 11,735.10-16,193.79-6,428.87

Finding the Fourth Proportional to 11,735.10, 16,193.79 and 6,428.87

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Solution

The fourth proportional to 11,735.10, 16,193.79 and 6,428.87 is: 8,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.10 : 16,193.79 = 6,428.87 : x
  2. Step 2: Convert to fraction form
    11,735.10/16,193.79 = 6,428.87/x
  3. Step 3: Cross multiply
    11,735.10x = 16,193.79 × 6,428.87
  4. Step 4: Simplify right side
    11,735.10x = 104,107,689.75
  5. Step 5: Solve for x
    x = 104,107,689.75/11,735.10
  6. Step 6: Final answer
    x = 8,871.48

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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.