Home / 7,112.48-10,670.54-2,182.16

Finding the Fourth Proportional to 7,112.48, 10,670.54 and 2,182.16

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Solution

The fourth proportional to 7,112.48, 10,670.54 and 2,182.16 is: 3,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.48 : 10,670.54 = 2,182.16 : x
  2. Step 2: Convert to fraction form
    7,112.48/10,670.54 = 2,182.16/x
  3. Step 3: Cross multiply
    7,112.48x = 10,670.54 × 2,182.16
  4. Step 4: Simplify right side
    7,112.48x = 23,284,761.30
  5. Step 5: Solve for x
    x = 23,284,761.30/7,112.48
  6. Step 6: Final answer
    x = 3,273.79

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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.