Home / 8,475.26-11,686.59-5,786.73

Finding the Fourth Proportional to 8,475.26, 11,686.59 and 5,786.73

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Solution

The fourth proportional to 8,475.26, 11,686.59 and 5,786.73 is: 7,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.26 : 11,686.59 = 5,786.73 : x
  2. Step 2: Convert to fraction form
    8,475.26/11,686.59 = 5,786.73/x
  3. Step 3: Cross multiply
    8,475.26x = 11,686.59 × 5,786.73
  4. Step 4: Simplify right side
    8,475.26x = 67,627,140.95
  5. Step 5: Solve for x
    x = 67,627,140.95/8,475.26
  6. Step 6: Final answer
    x = 7,979.36

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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.