Home / 12,081.83-16,673.75-6,776.99

Finding the Fourth Proportional to 12,081.83, 16,673.75 and 6,776.99

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Solution

The fourth proportional to 12,081.83, 16,673.75 and 6,776.99 is: 9,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.83 : 16,673.75 = 6,776.99 : x
  2. Step 2: Convert to fraction form
    12,081.83/16,673.75 = 6,776.99/x
  3. Step 3: Cross multiply
    12,081.83x = 16,673.75 × 6,776.99
  4. Step 4: Simplify right side
    12,081.83x = 112,997,837.01
  5. Step 5: Solve for x
    x = 112,997,837.01/12,081.83
  6. Step 6: Final answer
    x = 9,352.71

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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.