Home / 7,450.70-11,172.44-4,331.60

Finding the Fourth Proportional to 7,450.70, 11,172.44 and 4,331.60

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Solution

The fourth proportional to 7,450.70, 11,172.44 and 4,331.60 is: 6,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.70 : 11,172.44 = 4,331.60 : x
  2. Step 2: Convert to fraction form
    7,450.70/11,172.44 = 4,331.60/x
  3. Step 3: Cross multiply
    7,450.70x = 11,172.44 × 4,331.60
  4. Step 4: Simplify right side
    7,450.70x = 48,394,541.10
  5. Step 5: Solve for x
    x = 48,394,541.10/7,450.70
  6. Step 6: Final answer
    x = 6,495.30

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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.