Home / 7,112.70-10,669.05-2,182.35

Finding the Fourth Proportional to 7,112.70, 10,669.05 and 2,182.35

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Solution

The fourth proportional to 7,112.70, 10,669.05 and 2,182.35 is: 3,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.70 : 10,669.05 = 2,182.35 : x
  2. Step 2: Convert to fraction form
    7,112.70/10,669.05 = 2,182.35/x
  3. Step 3: Cross multiply
    7,112.70x = 10,669.05 × 2,182.35
  4. Step 4: Simplify right side
    7,112.70x = 23,283,601.27
  5. Step 5: Solve for x
    x = 23,283,601.27/7,112.70
  6. Step 6: Final answer
    x = 3,273.53

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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.