Home / 11,078.96-16,579.43-6,920.92

Finding the Fourth Proportional to 11,078.96, 16,579.43 and 6,920.92

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Solution

The fourth proportional to 11,078.96, 16,579.43 and 6,920.92 is: 10,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.96 : 16,579.43 = 6,920.92 : x
  2. Step 2: Convert to fraction form
    11,078.96/16,579.43 = 6,920.92/x
  3. Step 3: Cross multiply
    11,078.96x = 16,579.43 × 6,920.92
  4. Step 4: Simplify right side
    11,078.96x = 114,744,874.07
  5. Step 5: Solve for x
    x = 114,744,874.07/11,078.96
  6. Step 6: Final answer
    x = 10,357.01

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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.