Home / 8,142.96-11,237.83-4,558.25

Finding the Fourth Proportional to 8,142.96, 11,237.83 and 4,558.25

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Solution

The fourth proportional to 8,142.96, 11,237.83 and 4,558.25 is: 6,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.96 : 11,237.83 = 4,558.25 : x
  2. Step 2: Convert to fraction form
    8,142.96/11,237.83 = 4,558.25/x
  3. Step 3: Cross multiply
    8,142.96x = 11,237.83 × 4,558.25
  4. Step 4: Simplify right side
    8,142.96x = 51,224,855.30
  5. Step 5: Solve for x
    x = 51,224,855.30/8,142.96
  6. Step 6: Final answer
    x = 6,290.69

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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.