Home / 7,340.51-11,010.96-2,146.38

Finding the Fourth Proportional to 7,340.51, 11,010.96 and 2,146.38

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Solution

The fourth proportional to 7,340.51, 11,010.96 and 2,146.38 is: 3,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.51 : 11,010.96 = 2,146.38 : x
  2. Step 2: Convert to fraction form
    7,340.51/11,010.96 = 2,146.38/x
  3. Step 3: Cross multiply
    7,340.51x = 11,010.96 × 2,146.38
  4. Step 4: Simplify right side
    7,340.51x = 23,633,704.32
  5. Step 5: Solve for x
    x = 23,633,704.32/7,340.51
  6. Step 6: Final answer
    x = 3,219.63

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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.