Home / 6,684.86-9,226.08-3,851.69

Finding the Fourth Proportional to 6,684.86, 9,226.08 and 3,851.69

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Solution

The fourth proportional to 6,684.86, 9,226.08 and 3,851.69 is: 5,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.86 : 9,226.08 = 3,851.69 : x
  2. Step 2: Convert to fraction form
    6,684.86/9,226.08 = 3,851.69/x
  3. Step 3: Cross multiply
    6,684.86x = 9,226.08 × 3,851.69
  4. Step 4: Simplify right side
    6,684.86x = 35,535,990.73
  5. Step 5: Solve for x
    x = 35,535,990.73/6,684.86
  6. Step 6: Final answer
    x = 5,315.89

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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.