Home / 6,243.82-8,571.35-5,358.08

Finding the Fourth Proportional to 6,243.82, 8,571.35 and 5,358.08

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Solution

The fourth proportional to 6,243.82, 8,571.35 and 5,358.08 is: 7,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.82 : 8,571.35 = 5,358.08 : x
  2. Step 2: Convert to fraction form
    6,243.82/8,571.35 = 5,358.08/x
  3. Step 3: Cross multiply
    6,243.82x = 8,571.35 × 5,358.08
  4. Step 4: Simplify right side
    6,243.82x = 45,926,013.83
  5. Step 5: Solve for x
    x = 45,926,013.83/6,243.82
  6. Step 6: Final answer
    x = 7,355.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.