Home / 10,771.96-16,166.58-5,579.32

Finding the Fourth Proportional to 10,771.96, 16,166.58 and 5,579.32

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Solution

The fourth proportional to 10,771.96, 16,166.58 and 5,579.32 is: 8,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.96 : 16,166.58 = 5,579.32 : x
  2. Step 2: Convert to fraction form
    10,771.96/16,166.58 = 5,579.32/x
  3. Step 3: Cross multiply
    10,771.96x = 16,166.58 × 5,579.32
  4. Step 4: Simplify right side
    10,771.96x = 90,198,523.13
  5. Step 5: Solve for x
    x = 90,198,523.13/10,771.96
  6. Step 6: Final answer
    x = 8,373.46

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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.