Home / 9,174.21-12,660.41-4,982.46

Finding the Fourth Proportional to 9,174.21, 12,660.41 and 4,982.46

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Solution

The fourth proportional to 9,174.21, 12,660.41 and 4,982.46 is: 6,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.21 : 12,660.41 = 4,982.46 : x
  2. Step 2: Convert to fraction form
    9,174.21/12,660.41 = 4,982.46/x
  3. Step 3: Cross multiply
    9,174.21x = 12,660.41 × 4,982.46
  4. Step 4: Simplify right side
    9,174.21x = 63,079,986.41
  5. Step 5: Solve for x
    x = 63,079,986.41/9,174.21
  6. Step 6: Final answer
    x = 6,875.79

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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.