Home / 12,735.94-19,107.21-4,838.60

Finding the Fourth Proportional to 12,735.94, 19,107.21 and 4,838.60

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Solution

The fourth proportional to 12,735.94, 19,107.21 and 4,838.60 is: 7,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.94 : 19,107.21 = 4,838.60 : x
  2. Step 2: Convert to fraction form
    12,735.94/19,107.21 = 4,838.60/x
  3. Step 3: Cross multiply
    12,735.94x = 19,107.21 × 4,838.60
  4. Step 4: Simplify right side
    12,735.94x = 92,452,146.31
  5. Step 5: Solve for x
    x = 92,452,146.31/12,735.94
  6. Step 6: Final answer
    x = 7,259.15

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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.