Home / 11,810.88-17,719.56-4,786.56

Finding the Fourth Proportional to 11,810.88, 17,719.56 and 4,786.56

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Solution

The fourth proportional to 11,810.88, 17,719.56 and 4,786.56 is: 7,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.88 : 17,719.56 = 4,786.56 : x
  2. Step 2: Convert to fraction form
    11,810.88/17,719.56 = 4,786.56/x
  3. Step 3: Cross multiply
    11,810.88x = 17,719.56 × 4,786.56
  4. Step 4: Simplify right side
    11,810.88x = 84,815,737.11
  5. Step 5: Solve for x
    x = 84,815,737.11/11,810.88
  6. Step 6: Final answer
    x = 7,181.15

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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.