Home / 7,448.92-11,172.08-2,112.48

Finding the Fourth Proportional to 7,448.92, 11,172.08 and 2,112.48

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Solution

The fourth proportional to 7,448.92, 11,172.08 and 2,112.48 is: 3,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.92 : 11,172.08 = 2,112.48 : x
  2. Step 2: Convert to fraction form
    7,448.92/11,172.08 = 2,112.48/x
  3. Step 3: Cross multiply
    7,448.92x = 11,172.08 × 2,112.48
  4. Step 4: Simplify right side
    7,448.92x = 23,600,800.84
  5. Step 5: Solve for x
    x = 23,600,800.84/7,448.92
  6. Step 6: Final answer
    x = 3,168.35

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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.