Home / 8,316.05-12,474.07-3,384.36

Finding the Fourth Proportional to 8,316.05, 12,474.07 and 3,384.36

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Solution

The fourth proportional to 8,316.05, 12,474.07 and 3,384.36 is: 5,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.05 : 12,474.07 = 3,384.36 : x
  2. Step 2: Convert to fraction form
    8,316.05/12,474.07 = 3,384.36/x
  3. Step 3: Cross multiply
    8,316.05x = 12,474.07 × 3,384.36
  4. Step 4: Simplify right side
    8,316.05x = 42,216,735.08
  5. Step 5: Solve for x
    x = 42,216,735.08/8,316.05
  6. Step 6: Final answer
    x = 5,076.54

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Similar ratio
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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.