Home / 10,741.74-16,107.85-5,742.90

Finding the Fourth Proportional to 10,741.74, 16,107.85 and 5,742.90

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Solution

The fourth proportional to 10,741.74, 16,107.85 and 5,742.90 is: 8,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741.74 : 16,107.85 = 5,742.90 : x
  2. Step 2: Convert to fraction form
    10,741.74/16,107.85 = 5,742.90/x
  3. Step 3: Cross multiply
    10,741.74x = 16,107.85 × 5,742.90
  4. Step 4: Simplify right side
    10,741.74x = 92,505,662.51
  5. Step 5: Solve for x
    x = 92,505,662.51/10,741.74
  6. Step 6: Final answer
    x = 8,611.80

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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.