Home / 6,943.05-10,400.54-3,240.14

Finding the Fourth Proportional to 6,943.05, 10,400.54 and 3,240.14

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Solution

The fourth proportional to 6,943.05, 10,400.54 and 3,240.14 is: 4,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.05 : 10,400.54 = 3,240.14 : x
  2. Step 2: Convert to fraction form
    6,943.05/10,400.54 = 3,240.14/x
  3. Step 3: Cross multiply
    6,943.05x = 10,400.54 × 3,240.14
  4. Step 4: Simplify right side
    6,943.05x = 33,699,137.47
  5. Step 5: Solve for x
    x = 33,699,137.47/6,943.05
  6. Step 6: Final answer
    x = 4,853.65

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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.