Home / 7,112.89-10,664.22-3,362.59

Finding the Fourth Proportional to 7,112.89, 10,664.22 and 3,362.59

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Solution

The fourth proportional to 7,112.89, 10,664.22 and 3,362.59 is: 5,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.89 : 10,664.22 = 3,362.59 : x
  2. Step 2: Convert to fraction form
    7,112.89/10,664.22 = 3,362.59/x
  3. Step 3: Cross multiply
    7,112.89x = 10,664.22 × 3,362.59
  4. Step 4: Simplify right side
    7,112.89x = 35,859,399.53
  5. Step 5: Solve for x
    x = 35,859,399.53/7,112.89
  6. Step 6: Final answer
    x = 5,041.47

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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.