Home / 12,103.04-18,154.38-5,863.60

Finding the Fourth Proportional to 12,103.04, 18,154.38 and 5,863.60

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Solution

The fourth proportional to 12,103.04, 18,154.38 and 5,863.60 is: 8,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.04 : 18,154.38 = 5,863.60 : x
  2. Step 2: Convert to fraction form
    12,103.04/18,154.38 = 5,863.60/x
  3. Step 3: Cross multiply
    12,103.04x = 18,154.38 × 5,863.60
  4. Step 4: Simplify right side
    12,103.04x = 106,450,022.57
  5. Step 5: Solve for x
    x = 106,450,022.57/12,103.04
  6. Step 6: Final answer
    x = 8,795.31

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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.