Home / 10,181.72-15,277.44-3,611.00

Finding the Fourth Proportional to 10,181.72, 15,277.44 and 3,611.00

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Solution

The fourth proportional to 10,181.72, 15,277.44 and 3,611.00 is: 5,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.72 : 15,277.44 = 3,611.00 : x
  2. Step 2: Convert to fraction form
    10,181.72/15,277.44 = 3,611.00/x
  3. Step 3: Cross multiply
    10,181.72x = 15,277.44 × 3,611.00
  4. Step 4: Simplify right side
    10,181.72x = 55,166,801.64
  5. Step 5: Solve for x
    x = 55,166,801.64/10,181.72
  6. Step 6: Final answer
    x = 5,418.22

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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.