Home / 10,107.06-15,162.99-3,181.50

Finding the Fourth Proportional to 10,107.06, 15,162.99 and 3,181.50

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Solution

The fourth proportional to 10,107.06, 15,162.99 and 3,181.50 is: 4,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.06 : 15,162.99 = 3,181.50 : x
  2. Step 2: Convert to fraction form
    10,107.06/15,162.99 = 3,181.50/x
  3. Step 3: Cross multiply
    10,107.06x = 15,162.99 × 3,181.50
  4. Step 4: Simplify right side
    10,107.06x = 48,241,052.69
  5. Step 5: Solve for x
    x = 48,241,052.69/10,107.06
  6. Step 6: Final answer
    x = 4,773.01

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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.