Home / 7,039.36-10,556.52-2,108.08

Finding the Fourth Proportional to 7,039.36, 10,556.52 and 2,108.08

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Solution

The fourth proportional to 7,039.36, 10,556.52 and 2,108.08 is: 3,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.36 : 10,556.52 = 2,108.08 : x
  2. Step 2: Convert to fraction form
    7,039.36/10,556.52 = 2,108.08/x
  3. Step 3: Cross multiply
    7,039.36x = 10,556.52 × 2,108.08
  4. Step 4: Simplify right side
    7,039.36x = 22,253,988.68
  5. Step 5: Solve for x
    x = 22,253,988.68/7,039.36
  6. Step 6: Final answer
    x = 3,161.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.