Home / 8,771.58-13,142.76-6,169.02

Finding the Fourth Proportional to 8,771.58, 13,142.76 and 6,169.02

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Solution

The fourth proportional to 8,771.58, 13,142.76 and 6,169.02 is: 9,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.58 : 13,142.76 = 6,169.02 : x
  2. Step 2: Convert to fraction form
    8,771.58/13,142.76 = 6,169.02/x
  3. Step 3: Cross multiply
    8,771.58x = 13,142.76 × 6,169.02
  4. Step 4: Simplify right side
    8,771.58x = 81,077,949.30
  5. Step 5: Solve for x
    x = 81,077,949.30/8,771.58
  6. Step 6: Final answer
    x = 9,243.25

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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.