Home / 7,249.80-10,004.68-4,106.12

Finding the Fourth Proportional to 7,249.80, 10,004.68 and 4,106.12

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Solution

The fourth proportional to 7,249.80, 10,004.68 and 4,106.12 is: 5,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.80 : 10,004.68 = 4,106.12 : x
  2. Step 2: Convert to fraction form
    7,249.80/10,004.68 = 4,106.12/x
  3. Step 3: Cross multiply
    7,249.80x = 10,004.68 × 4,106.12
  4. Step 4: Simplify right side
    7,249.80x = 41,080,416.64
  5. Step 5: Solve for x
    x = 41,080,416.64/7,249.80
  6. Step 6: Final answer
    x = 5,666.42

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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.