Home / 8,020.69-11,073.41-5,231.05

Finding the Fourth Proportional to 8,020.69, 11,073.41 and 5,231.05

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Solution

The fourth proportional to 8,020.69, 11,073.41 and 5,231.05 is: 7,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.69 : 11,073.41 = 5,231.05 : x
  2. Step 2: Convert to fraction form
    8,020.69/11,073.41 = 5,231.05/x
  3. Step 3: Cross multiply
    8,020.69x = 11,073.41 × 5,231.05
  4. Step 4: Simplify right side
    8,020.69x = 57,925,527.16
  5. Step 5: Solve for x
    x = 57,925,527.16/8,020.69
  6. Step 6: Final answer
    x = 7,222.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.