Home / 11,823.87-16,317.63-6,788.10

Finding the Fourth Proportional to 11,823.87, 16,317.63 and 6,788.10

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Solution

The fourth proportional to 11,823.87, 16,317.63 and 6,788.10 is: 9,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.87 : 16,317.63 = 6,788.10 : x
  2. Step 2: Convert to fraction form
    11,823.87/16,317.63 = 6,788.10/x
  3. Step 3: Cross multiply
    11,823.87x = 16,317.63 × 6,788.10
  4. Step 4: Simplify right side
    11,823.87x = 110,765,704.20
  5. Step 5: Solve for x
    x = 110,765,704.20/11,823.87
  6. Step 6: Final answer
    x = 9,367.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.