Home / 7,318.46-10,099.43-3,961.25

Finding the Fourth Proportional to 7,318.46, 10,099.43 and 3,961.25

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Solution

The fourth proportional to 7,318.46, 10,099.43 and 3,961.25 is: 5,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.46 : 10,099.43 = 3,961.25 : x
  2. Step 2: Convert to fraction form
    7,318.46/10,099.43 = 3,961.25/x
  3. Step 3: Cross multiply
    7,318.46x = 10,099.43 × 3,961.25
  4. Step 4: Simplify right side
    7,318.46x = 40,006,296.78
  5. Step 5: Solve for x
    x = 40,006,296.78/7,318.46
  6. Step 6: Final answer
    x = 5,466.49

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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.