Home / 7,011.75-10,519.14-2,081.73

Finding the Fourth Proportional to 7,011.75, 10,519.14 and 2,081.73

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Solution

The fourth proportional to 7,011.75, 10,519.14 and 2,081.73 is: 3,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.75 : 10,519.14 = 2,081.73 : x
  2. Step 2: Convert to fraction form
    7,011.75/10,519.14 = 2,081.73/x
  3. Step 3: Cross multiply
    7,011.75x = 10,519.14 × 2,081.73
  4. Step 4: Simplify right side
    7,011.75x = 21,898,009.31
  5. Step 5: Solve for x
    x = 21,898,009.31/7,011.75
  6. Step 6: Final answer
    x = 3,123.04

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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.