Home / 11,815.09-17,711.74-4,018.48

Finding the Fourth Proportional to 11,815.09, 17,711.74 and 4,018.48

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Solution

The fourth proportional to 11,815.09, 17,711.74 and 4,018.48 is: 6,024.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.09 : 17,711.74 = 4,018.48 : x
  2. Step 2: Convert to fraction form
    11,815.09/17,711.74 = 4,018.48/x
  3. Step 3: Cross multiply
    11,815.09x = 17,711.74 × 4,018.48
  4. Step 4: Simplify right side
    11,815.09x = 71,174,272.96
  5. Step 5: Solve for x
    x = 71,174,272.96/11,815.09
  6. Step 6: Final answer
    x = 6,024.01

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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.