Home / 6,423.18-9,628.49-3,304.68

Finding the Fourth Proportional to 6,423.18, 9,628.49 and 3,304.68

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Solution

The fourth proportional to 6,423.18, 9,628.49 and 3,304.68 is: 4,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.18 : 9,628.49 = 3,304.68 : x
  2. Step 2: Convert to fraction form
    6,423.18/9,628.49 = 3,304.68/x
  3. Step 3: Cross multiply
    6,423.18x = 9,628.49 × 3,304.68
  4. Step 4: Simplify right side
    6,423.18x = 31,819,078.33
  5. Step 5: Solve for x
    x = 31,819,078.33/6,423.18
  6. Step 6: Final answer
    x = 4,953.79

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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.