Home / 6,628.46-9,147.24-3,603.56

Finding the Fourth Proportional to 6,628.46, 9,147.24 and 3,603.56

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Solution

The fourth proportional to 6,628.46, 9,147.24 and 3,603.56 is: 4,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.46 : 9,147.24 = 3,603.56 : x
  2. Step 2: Convert to fraction form
    6,628.46/9,147.24 = 3,603.56/x
  3. Step 3: Cross multiply
    6,628.46x = 9,147.24 × 3,603.56
  4. Step 4: Simplify right side
    6,628.46x = 32,962,582.44
  5. Step 5: Solve for x
    x = 32,962,582.44/6,628.46
  6. Step 6: Final answer
    x = 4,972.89

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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.