Home / 7,448.49-11,172.57-3,749.73

Finding the Fourth Proportional to 7,448.49, 11,172.57 and 3,749.73

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Solution

The fourth proportional to 7,448.49, 11,172.57 and 3,749.73 is: 5,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.49 : 11,172.57 = 3,749.73 : x
  2. Step 2: Convert to fraction form
    7,448.49/11,172.57 = 3,749.73/x
  3. Step 3: Cross multiply
    7,448.49x = 11,172.57 × 3,749.73
  4. Step 4: Simplify right side
    7,448.49x = 41,894,111.53
  5. Step 5: Solve for x
    x = 41,894,111.53/7,448.49
  6. Step 6: Final answer
    x = 5,624.51

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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.