Home / 10,787.96-16,181.40-2,996.84

Finding the Fourth Proportional to 10,787.96, 16,181.40 and 2,996.84

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Solution

The fourth proportional to 10,787.96, 16,181.40 and 2,996.84 is: 4,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.96 : 16,181.40 = 2,996.84 : x
  2. Step 2: Convert to fraction form
    10,787.96/16,181.40 = 2,996.84/x
  3. Step 3: Cross multiply
    10,787.96x = 16,181.40 × 2,996.84
  4. Step 4: Simplify right side
    10,787.96x = 48,493,066.78
  5. Step 5: Solve for x
    x = 48,493,066.78/10,787.96
  6. Step 6: Final answer
    x = 4,495.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.