Home / 11,855.07-17,783.62-3,089.97

Finding the Fourth Proportional to 11,855.07, 17,783.62 and 3,089.97

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Solution

The fourth proportional to 11,855.07, 17,783.62 and 3,089.97 is: 4,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.07 : 17,783.62 = 3,089.97 : x
  2. Step 2: Convert to fraction form
    11,855.07/17,783.62 = 3,089.97/x
  3. Step 3: Cross multiply
    11,855.07x = 17,783.62 × 3,089.97
  4. Step 4: Simplify right side
    11,855.07x = 54,950,852.29
  5. Step 5: Solve for x
    x = 54,950,852.29/11,855.07
  6. Step 6: Final answer
    x = 4,635.22

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1.5x scale

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.