Home / 8,659.23-11,949.79-4,680.33

Finding the Fourth Proportional to 8,659.23, 11,949.79 and 4,680.33

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Solution

The fourth proportional to 8,659.23, 11,949.79 and 4,680.33 is: 6,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.23 : 11,949.79 = 4,680.33 : x
  2. Step 2: Convert to fraction form
    8,659.23/11,949.79 = 4,680.33/x
  3. Step 3: Cross multiply
    8,659.23x = 11,949.79 × 4,680.33
  4. Step 4: Simplify right side
    8,659.23x = 55,928,986.69
  5. Step 5: Solve for x
    x = 55,928,986.69/8,659.23
  6. Step 6: Final answer
    x = 6,458.89

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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.