Home / 11,569.95-15,968.25-6,789.69

Finding the Fourth Proportional to 11,569.95, 15,968.25 and 6,789.69

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Solution

The fourth proportional to 11,569.95, 15,968.25 and 6,789.69 is: 9,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,569.95 : 15,968.25 = 6,789.69 : x
  2. Step 2: Convert to fraction form
    11,569.95/15,968.25 = 6,789.69/x
  3. Step 3: Cross multiply
    11,569.95x = 15,968.25 × 6,789.69
  4. Step 4: Simplify right side
    11,569.95x = 108,419,467.34
  5. Step 5: Solve for x
    x = 108,419,467.34/11,569.95
  6. Step 6: Final answer
    x = 9,370.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.