Home / 8,316.18-12,469.08-2,768.10

Finding the Fourth Proportional to 8,316.18, 12,469.08 and 2,768.10

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Solution

The fourth proportional to 8,316.18, 12,469.08 and 2,768.10 is: 4,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.18 : 12,469.08 = 2,768.10 : x
  2. Step 2: Convert to fraction form
    8,316.18/12,469.08 = 2,768.10/x
  3. Step 3: Cross multiply
    8,316.18x = 12,469.08 × 2,768.10
  4. Step 4: Simplify right side
    8,316.18x = 34,515,660.35
  5. Step 5: Solve for x
    x = 34,515,660.35/8,316.18
  6. Step 6: Final answer
    x = 4,150.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.