Home / 11,613.07-17,420.40-3,293.73

Finding the Fourth Proportional to 11,613.07, 17,420.40 and 3,293.73

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Solution

The fourth proportional to 11,613.07, 17,420.40 and 3,293.73 is: 4,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.07 : 17,420.40 = 3,293.73 : x
  2. Step 2: Convert to fraction form
    11,613.07/17,420.40 = 3,293.73/x
  3. Step 3: Cross multiply
    11,613.07x = 17,420.40 × 3,293.73
  4. Step 4: Simplify right side
    11,613.07x = 57,378,094.09
  5. Step 5: Solve for x
    x = 57,378,094.09/11,613.07
  6. Step 6: Final answer
    x = 4,940.82

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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.