Home / 11,855.33-17,777.04-3,955.08

Finding the Fourth Proportional to 11,855.33, 17,777.04 and 3,955.08

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Solution

The fourth proportional to 11,855.33, 17,777.04 and 3,955.08 is: 5,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.33 : 17,777.04 = 3,955.08 : x
  2. Step 2: Convert to fraction form
    11,855.33/17,777.04 = 3,955.08/x
  3. Step 3: Cross multiply
    11,855.33x = 17,777.04 × 3,955.08
  4. Step 4: Simplify right side
    11,855.33x = 70,309,615.36
  5. Step 5: Solve for x
    x = 70,309,615.36/11,855.33
  6. Step 6: Final answer
    x = 5,930.63

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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.