Home / 7,271.12-10,034.22-4,126.64

Finding the Fourth Proportional to 7,271.12, 10,034.22 and 4,126.64

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Solution

The fourth proportional to 7,271.12, 10,034.22 and 4,126.64 is: 5,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.12 : 10,034.22 = 4,126.64 : x
  2. Step 2: Convert to fraction form
    7,271.12/10,034.22 = 4,126.64/x
  3. Step 3: Cross multiply
    7,271.12x = 10,034.22 × 4,126.64
  4. Step 4: Simplify right side
    7,271.12x = 41,407,613.62
  5. Step 5: Solve for x
    x = 41,407,613.62/7,271.12
  6. Step 6: Final answer
    x = 5,694.81

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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.