Home / 7,272.62-10,036.26-4,086.05

Finding the Fourth Proportional to 7,272.62, 10,036.26 and 4,086.05

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Solution

The fourth proportional to 7,272.62, 10,036.26 and 4,086.05 is: 5,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.62 : 10,036.26 = 4,086.05 : x
  2. Step 2: Convert to fraction form
    7,272.62/10,036.26 = 4,086.05/x
  3. Step 3: Cross multiply
    7,272.62x = 10,036.26 × 4,086.05
  4. Step 4: Simplify right side
    7,272.62x = 41,008,685.26
  5. Step 5: Solve for x
    x = 41,008,685.26/7,272.62
  6. Step 6: Final answer
    x = 5,638.78

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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.