Home / 7,012.33-10,516.68-2,080.81

Finding the Fourth Proportional to 7,012.33, 10,516.68 and 2,080.81

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Solution

The fourth proportional to 7,012.33, 10,516.68 and 2,080.81 is: 3,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.33 : 10,516.68 = 2,080.81 : x
  2. Step 2: Convert to fraction form
    7,012.33/10,516.68 = 2,080.81/x
  3. Step 3: Cross multiply
    7,012.33x = 10,516.68 × 2,080.81
  4. Step 4: Simplify right side
    7,012.33x = 21,883,212.91
  5. Step 5: Solve for x
    x = 21,883,212.91/7,012.33
  6. Step 6: Final answer
    x = 3,120.68

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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.