Home / 10,131.04-13,982.16-5,939.68

Finding the Fourth Proportional to 10,131.04, 13,982.16 and 5,939.68

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Solution

The fourth proportional to 10,131.04, 13,982.16 and 5,939.68 is: 8,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.04 : 13,982.16 = 5,939.68 : x
  2. Step 2: Convert to fraction form
    10,131.04/13,982.16 = 5,939.68/x
  3. Step 3: Cross multiply
    10,131.04x = 13,982.16 × 5,939.68
  4. Step 4: Simplify right side
    10,131.04x = 83,049,556.11
  5. Step 5: Solve for x
    x = 83,049,556.11/10,131.04
  6. Step 6: Final answer
    x = 8,197.54

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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.