Home / 7,960.48-10,982.19-5,127.37

Finding the Fourth Proportional to 7,960.48, 10,982.19 and 5,127.37

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Solution

The fourth proportional to 7,960.48, 10,982.19 and 5,127.37 is: 7,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.48 : 10,982.19 = 5,127.37 : x
  2. Step 2: Convert to fraction form
    7,960.48/10,982.19 = 5,127.37/x
  3. Step 3: Cross multiply
    7,960.48x = 10,982.19 × 5,127.37
  4. Step 4: Simplify right side
    7,960.48x = 56,309,751.54
  5. Step 5: Solve for x
    x = 56,309,751.54/7,960.48
  6. Step 6: Final answer
    x = 7,073.66

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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.