Home / 6,816.13-9,406.46-4,021.63

Finding the Fourth Proportional to 6,816.13, 9,406.46 and 4,021.63

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Solution

The fourth proportional to 6,816.13, 9,406.46 and 4,021.63 is: 5,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.13 : 9,406.46 = 4,021.63 : x
  2. Step 2: Convert to fraction form
    6,816.13/9,406.46 = 4,021.63/x
  3. Step 3: Cross multiply
    6,816.13x = 9,406.46 × 4,021.63
  4. Step 4: Simplify right side
    6,816.13x = 37,829,301.73
  5. Step 5: Solve for x
    x = 37,829,301.73/6,816.13
  6. Step 6: Final answer
    x = 5,549.97

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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.