Home / 7,957.24-11,919.61-3,784.62

Finding the Fourth Proportional to 7,957.24, 11,919.61 and 3,784.62

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Solution

The fourth proportional to 7,957.24, 11,919.61 and 3,784.62 is: 5,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.24 : 11,919.61 = 3,784.62 : x
  2. Step 2: Convert to fraction form
    7,957.24/11,919.61 = 3,784.62/x
  3. Step 3: Cross multiply
    7,957.24x = 11,919.61 × 3,784.62
  4. Step 4: Simplify right side
    7,957.24x = 45,111,222.54
  5. Step 5: Solve for x
    x = 45,111,222.54/7,957.24
  6. Step 6: Final answer
    x = 5,669.21

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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.