Home / 6,743.14-10,114.71-2,126.50

Finding the Fourth Proportional to 6,743.14, 10,114.71 and 2,126.50

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Solution

The fourth proportional to 6,743.14, 10,114.71 and 2,126.50 is: 3,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.14 : 10,114.71 = 2,126.50 : x
  2. Step 2: Convert to fraction form
    6,743.14/10,114.71 = 2,126.50/x
  3. Step 3: Cross multiply
    6,743.14x = 10,114.71 × 2,126.50
  4. Step 4: Simplify right side
    6,743.14x = 21,508,930.82
  5. Step 5: Solve for x
    x = 21,508,930.82/6,743.14
  6. Step 6: Final answer
    x = 3,189.75

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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.