Home / 12,629.25-18,946.61-4,838.06

Finding the Fourth Proportional to 12,629.25, 18,946.61 and 4,838.06

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Solution

The fourth proportional to 12,629.25, 18,946.61 and 4,838.06 is: 7,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.25 : 18,946.61 = 4,838.06 : x
  2. Step 2: Convert to fraction form
    12,629.25/18,946.61 = 4,838.06/x
  3. Step 3: Cross multiply
    12,629.25x = 18,946.61 × 4,838.06
  4. Step 4: Simplify right side
    12,629.25x = 91,664,877.30
  5. Step 5: Solve for x
    x = 91,664,877.30/12,629.25
  6. Step 6: Final answer
    x = 7,258.14

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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.