Home / 7,115.27-10,673.48-1,850.22

Finding the Fourth Proportional to 7,115.27, 10,673.48 and 1,850.22

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Solution

The fourth proportional to 7,115.27, 10,673.48 and 1,850.22 is: 2,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.27 : 10,673.48 = 1,850.22 : x
  2. Step 2: Convert to fraction form
    7,115.27/10,673.48 = 1,850.22/x
  3. Step 3: Cross multiply
    7,115.27x = 10,673.48 × 1,850.22
  4. Step 4: Simplify right side
    7,115.27x = 19,748,290.79
  5. Step 5: Solve for x
    x = 19,748,290.79/7,115.27
  6. Step 6: Final answer
    x = 2,775.48

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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.