Home / 8,150.04-12,220.81-3,770.57

Finding the Fourth Proportional to 8,150.04, 12,220.81 and 3,770.57

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Solution

The fourth proportional to 8,150.04, 12,220.81 and 3,770.57 is: 5,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.04 : 12,220.81 = 3,770.57 : x
  2. Step 2: Convert to fraction form
    8,150.04/12,220.81 = 3,770.57/x
  3. Step 3: Cross multiply
    8,150.04x = 12,220.81 × 3,770.57
  4. Step 4: Simplify right side
    8,150.04x = 46,079,440.69
  5. Step 5: Solve for x
    x = 46,079,440.69/8,150.04
  6. Step 6: Final answer
    x = 5,653.89

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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.