Home / 7,861.75-10,849.21-4,324.93

Finding the Fourth Proportional to 7,861.75, 10,849.21 and 4,324.93

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Solution

The fourth proportional to 7,861.75, 10,849.21 and 4,324.93 is: 5,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.75 : 10,849.21 = 4,324.93 : x
  2. Step 2: Convert to fraction form
    7,861.75/10,849.21 = 4,324.93/x
  3. Step 3: Cross multiply
    7,861.75x = 10,849.21 × 4,324.93
  4. Step 4: Simplify right side
    7,861.75x = 46,922,096.90
  5. Step 5: Solve for x
    x = 46,922,096.90/7,861.75
  6. Step 6: Final answer
    x = 5,968.41

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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.