Home / 11,967.83-16,515.86-6,662.99

Finding the Fourth Proportional to 11,967.83, 16,515.86 and 6,662.99

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Solution

The fourth proportional to 11,967.83, 16,515.86 and 6,662.99 is: 9,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.83 : 16,515.86 = 6,662.99 : x
  2. Step 2: Convert to fraction form
    11,967.83/16,515.86 = 6,662.99/x
  3. Step 3: Cross multiply
    11,967.83x = 16,515.86 × 6,662.99
  4. Step 4: Simplify right side
    11,967.83x = 110,045,010.02
  5. Step 5: Solve for x
    x = 110,045,010.02/11,967.83
  6. Step 6: Final answer
    x = 9,195.07

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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.