Home / 11,955.34-17,933.64-3,190.24

Finding the Fourth Proportional to 11,955.34, 17,933.64 and 3,190.24

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Solution

The fourth proportional to 11,955.34, 17,933.64 and 3,190.24 is: 4,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.34 : 17,933.64 = 3,190.24 : x
  2. Step 2: Convert to fraction form
    11,955.34/17,933.64 = 3,190.24/x
  3. Step 3: Cross multiply
    11,955.34x = 17,933.64 × 3,190.24
  4. Step 4: Simplify right side
    11,955.34x = 57,212,615.67
  5. Step 5: Solve for x
    x = 57,212,615.67/11,955.34
  6. Step 6: Final answer
    x = 4,785.53

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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.