Home / 11,096.19-15,312.78-6,621.99

Finding the Fourth Proportional to 11,096.19, 15,312.78 and 6,621.99

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Solution

The fourth proportional to 11,096.19, 15,312.78 and 6,621.99 is: 9,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,096.19 : 15,312.78 = 6,621.99 : x
  2. Step 2: Convert to fraction form
    11,096.19/15,312.78 = 6,621.99/x
  3. Step 3: Cross multiply
    11,096.19x = 15,312.78 × 6,621.99
  4. Step 4: Simplify right side
    11,096.19x = 101,401,076.03
  5. Step 5: Solve for x
    x = 101,401,076.03/11,096.19
  6. Step 6: Final answer
    x = 9,138.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.