Home / 8,147.23-11,241.67-4,790.18

Finding the Fourth Proportional to 8,147.23, 11,241.67 and 4,790.18

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Solution

The fourth proportional to 8,147.23, 11,241.67 and 4,790.18 is: 6,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.23 : 11,241.67 = 4,790.18 : x
  2. Step 2: Convert to fraction form
    8,147.23/11,241.67 = 4,790.18/x
  3. Step 3: Cross multiply
    8,147.23x = 11,241.67 × 4,790.18
  4. Step 4: Simplify right side
    8,147.23x = 53,849,622.80
  5. Step 5: Solve for x
    x = 53,849,622.80/8,147.23
  6. Step 6: Final answer
    x = 6,609.56

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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.