Home / 9,072.63-13,611.47-5,179.77

Finding the Fourth Proportional to 9,072.63, 13,611.47 and 5,179.77

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Solution

The fourth proportional to 9,072.63, 13,611.47 and 5,179.77 is: 7,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.63 : 13,611.47 = 5,179.77 : x
  2. Step 2: Convert to fraction form
    9,072.63/13,611.47 = 5,179.77/x
  3. Step 3: Cross multiply
    9,072.63x = 13,611.47 × 5,179.77
  4. Step 4: Simplify right side
    9,072.63x = 70,504,258.06
  5. Step 5: Solve for x
    x = 70,504,258.06/9,072.63
  6. Step 6: Final answer
    x = 7,771.09

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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.