Home / 8,331.14-12,496.55-3,399.60

Finding the Fourth Proportional to 8,331.14, 12,496.55 and 3,399.60

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Solution

The fourth proportional to 8,331.14, 12,496.55 and 3,399.60 is: 5,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.14 : 12,496.55 = 3,399.60 : x
  2. Step 2: Convert to fraction form
    8,331.14/12,496.55 = 3,399.60/x
  3. Step 3: Cross multiply
    8,331.14x = 12,496.55 × 3,399.60
  4. Step 4: Simplify right side
    8,331.14x = 42,483,254.38
  5. Step 5: Solve for x
    x = 42,483,254.38/8,331.14
  6. Step 6: Final answer
    x = 5,099.34

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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.