Home / 7,412.10-11,117.94-2,481.63

Finding the Fourth Proportional to 7,412.10, 11,117.94 and 2,481.63

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Solution

The fourth proportional to 7,412.10, 11,117.94 and 2,481.63 is: 3,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.10 : 11,117.94 = 2,481.63 : x
  2. Step 2: Convert to fraction form
    7,412.10/11,117.94 = 2,481.63/x
  3. Step 3: Cross multiply
    7,412.10x = 11,117.94 × 2,481.63
  4. Step 4: Simplify right side
    7,412.10x = 27,590,613.44
  5. Step 5: Solve for x
    x = 27,590,613.44/7,412.10
  6. Step 6: Final answer
    x = 3,722.37

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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.