Home / 8,071.07-11,138.07-4,535.42

Finding the Fourth Proportional to 8,071.07, 11,138.07 and 4,535.42

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Solution

The fourth proportional to 8,071.07, 11,138.07 and 4,535.42 is: 6,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.07 : 11,138.07 = 4,535.42 : x
  2. Step 2: Convert to fraction form
    8,071.07/11,138.07 = 4,535.42/x
  3. Step 3: Cross multiply
    8,071.07x = 11,138.07 × 4,535.42
  4. Step 4: Simplify right side
    8,071.07x = 50,515,825.44
  5. Step 5: Solve for x
    x = 50,515,825.44/8,071.07
  6. Step 6: Final answer
    x = 6,258.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.