Home / 8,106.25-11,176.56-6,763.83

Finding the Fourth Proportional to 8,106.25, 11,176.56 and 6,763.83

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Solution

The fourth proportional to 8,106.25, 11,176.56 and 6,763.83 is: 9,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.25 : 11,176.56 = 6,763.83 : x
  2. Step 2: Convert to fraction form
    8,106.25/11,176.56 = 6,763.83/x
  3. Step 3: Cross multiply
    8,106.25x = 11,176.56 × 6,763.83
  4. Step 4: Simplify right side
    8,106.25x = 75,596,322.32
  5. Step 5: Solve for x
    x = 75,596,322.32/8,106.25
  6. Step 6: Final answer
    x = 9,325.68

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Double scale
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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.