Home / 9,123.74-13,685.60-2,198.24

Finding the Fourth Proportional to 9,123.74, 13,685.60 and 2,198.24

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Solution

The fourth proportional to 9,123.74, 13,685.60 and 2,198.24 is: 3,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.74 : 13,685.60 = 2,198.24 : x
  2. Step 2: Convert to fraction form
    9,123.74/13,685.60 = 2,198.24/x
  3. Step 3: Cross multiply
    9,123.74x = 13,685.60 × 2,198.24
  4. Step 4: Simplify right side
    9,123.74x = 30,084,170.41
  5. Step 5: Solve for x
    x = 30,084,170.41/9,123.74
  6. Step 6: Final answer
    x = 3,297.35

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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.