Home / 7,255.05-10,012.37-4,069.36

Finding the Fourth Proportional to 7,255.05, 10,012.37 and 4,069.36

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Solution

The fourth proportional to 7,255.05, 10,012.37 and 4,069.36 is: 5,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.05 : 10,012.37 = 4,069.36 : x
  2. Step 2: Convert to fraction form
    7,255.05/10,012.37 = 4,069.36/x
  3. Step 3: Cross multiply
    7,255.05x = 10,012.37 × 4,069.36
  4. Step 4: Simplify right side
    7,255.05x = 40,743,937.98
  5. Step 5: Solve for x
    x = 40,743,937.98/7,255.05
  6. Step 6: Final answer
    x = 5,615.94

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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.