Home / 7,292.72-10,936.39-2,611.46

Finding the Fourth Proportional to 7,292.72, 10,936.39 and 2,611.46

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Solution

The fourth proportional to 7,292.72, 10,936.39 and 2,611.46 is: 3,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.72 : 10,936.39 = 2,611.46 : x
  2. Step 2: Convert to fraction form
    7,292.72/10,936.39 = 2,611.46/x
  3. Step 3: Cross multiply
    7,292.72x = 10,936.39 × 2,611.46
  4. Step 4: Simplify right side
    7,292.72x = 28,559,945.03
  5. Step 5: Solve for x
    x = 28,559,945.03/7,292.72
  6. Step 6: Final answer
    x = 3,916.23

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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.