Home / 12,530.25-18,795.60-5,863.05

Finding the Fourth Proportional to 12,530.25, 18,795.60 and 5,863.05

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Solution

The fourth proportional to 12,530.25, 18,795.60 and 5,863.05 is: 8,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.25 : 18,795.60 = 5,863.05 : x
  2. Step 2: Convert to fraction form
    12,530.25/18,795.60 = 5,863.05/x
  3. Step 3: Cross multiply
    12,530.25x = 18,795.60 × 5,863.05
  4. Step 4: Simplify right side
    12,530.25x = 110,199,542.58
  5. Step 5: Solve for x
    x = 110,199,542.58/12,530.25
  6. Step 6: Final answer
    x = 8,794.68

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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.