Home / 12,788.27-19,181.19-4,466.75

Finding the Fourth Proportional to 12,788.27, 19,181.19 and 4,466.75

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Solution

The fourth proportional to 12,788.27, 19,181.19 and 4,466.75 is: 6,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.27 : 19,181.19 = 4,466.75 : x
  2. Step 2: Convert to fraction form
    12,788.27/19,181.19 = 4,466.75/x
  3. Step 3: Cross multiply
    12,788.27x = 19,181.19 × 4,466.75
  4. Step 4: Simplify right side
    12,788.27x = 85,677,580.43
  5. Step 5: Solve for x
    x = 85,677,580.43/12,788.27
  6. Step 6: Final answer
    x = 6,699.70

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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.