Home / 12,651.93-18,975.94-4,330.03

Finding the Fourth Proportional to 12,651.93, 18,975.94 and 4,330.03

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Solution

The fourth proportional to 12,651.93, 18,975.94 and 4,330.03 is: 6,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651.93 : 18,975.94 = 4,330.03 : x
  2. Step 2: Convert to fraction form
    12,651.93/18,975.94 = 4,330.03/x
  3. Step 3: Cross multiply
    12,651.93x = 18,975.94 × 4,330.03
  4. Step 4: Simplify right side
    12,651.93x = 82,166,429.30
  5. Step 5: Solve for x
    x = 82,166,429.30/12,651.93
  6. Step 6: Final answer
    x = 6,494.38

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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.