Home / 8,352.74-11,512.77-6,668.75

Finding the Fourth Proportional to 8,352.74, 11,512.77 and 6,668.75

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Solution

The fourth proportional to 8,352.74, 11,512.77 and 6,668.75 is: 9,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.74 : 11,512.77 = 6,668.75 : x
  2. Step 2: Convert to fraction form
    8,352.74/11,512.77 = 6,668.75/x
  3. Step 3: Cross multiply
    8,352.74x = 11,512.77 × 6,668.75
  4. Step 4: Simplify right side
    8,352.74x = 76,775,727.37
  5. Step 5: Solve for x
    x = 76,775,727.37/8,352.74
  6. Step 6: Final answer
    x = 9,191.69

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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.