Home / 7,511.94-11,274.93-3,816.81

Finding the Fourth Proportional to 7,511.94, 11,274.93 and 3,816.81

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Solution

The fourth proportional to 7,511.94, 11,274.93 and 3,816.81 is: 5,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.94 : 11,274.93 = 3,816.81 : x
  2. Step 2: Convert to fraction form
    7,511.94/11,274.93 = 3,816.81/x
  3. Step 3: Cross multiply
    7,511.94x = 11,274.93 × 3,816.81
  4. Step 4: Simplify right side
    7,511.94x = 43,034,265.57
  5. Step 5: Solve for x
    x = 43,034,265.57/7,511.94
  6. Step 6: Final answer
    x = 5,728.78

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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.