Home / 8,682.89-11,982.29-4,704.08

Finding the Fourth Proportional to 8,682.89, 11,982.29 and 4,704.08

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Solution

The fourth proportional to 8,682.89, 11,982.29 and 4,704.08 is: 6,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.89 : 11,982.29 = 4,704.08 : x
  2. Step 2: Convert to fraction form
    8,682.89/11,982.29 = 4,704.08/x
  3. Step 3: Cross multiply
    8,682.89x = 11,982.29 × 4,704.08
  4. Step 4: Simplify right side
    8,682.89x = 56,365,567.31
  5. Step 5: Solve for x
    x = 56,365,567.31/8,682.89
  6. Step 6: Final answer
    x = 6,491.57

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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.