Home / 11,469.45-17,197.31-3,970.55

Finding the Fourth Proportional to 11,469.45, 17,197.31 and 3,970.55

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Solution

The fourth proportional to 11,469.45, 17,197.31 and 3,970.55 is: 5,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.45 : 17,197.31 = 3,970.55 : x
  2. Step 2: Convert to fraction form
    11,469.45/17,197.31 = 3,970.55/x
  3. Step 3: Cross multiply
    11,469.45x = 17,197.31 × 3,970.55
  4. Step 4: Simplify right side
    11,469.45x = 68,282,779.22
  5. Step 5: Solve for x
    x = 68,282,779.22/11,469.45
  6. Step 6: Final answer
    x = 5,953.45

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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.