Home / 9,103.49-13,660.54-3,838.18

Finding the Fourth Proportional to 9,103.49, 13,660.54 and 3,838.18

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Solution

The fourth proportional to 9,103.49, 13,660.54 and 3,838.18 is: 5,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.49 : 13,660.54 = 3,838.18 : x
  2. Step 2: Convert to fraction form
    9,103.49/13,660.54 = 3,838.18/x
  3. Step 3: Cross multiply
    9,103.49x = 13,660.54 × 3,838.18
  4. Step 4: Simplify right side
    9,103.49x = 52,431,611.42
  5. Step 5: Solve for x
    x = 52,431,611.42/9,103.49
  6. Step 6: Final answer
    x = 5,759.51

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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.