Home / 7,231.38-10,830.51-5,990.46

Finding the Fourth Proportional to 7,231.38, 10,830.51 and 5,990.46

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Solution

The fourth proportional to 7,231.38, 10,830.51 and 5,990.46 is: 8,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.38 : 10,830.51 = 5,990.46 : x
  2. Step 2: Convert to fraction form
    7,231.38/10,830.51 = 5,990.46/x
  3. Step 3: Cross multiply
    7,231.38x = 10,830.51 × 5,990.46
  4. Step 4: Simplify right side
    7,231.38x = 64,879,736.93
  5. Step 5: Solve for x
    x = 64,879,736.93/7,231.38
  6. Step 6: Final answer
    x = 8,971.97

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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.