Home / 8,682.12-11,980.59-5,096.68

Finding the Fourth Proportional to 8,682.12, 11,980.59 and 5,096.68

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Solution

The fourth proportional to 8,682.12, 11,980.59 and 5,096.68 is: 7,032.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.12 : 11,980.59 = 5,096.68 : x
  2. Step 2: Convert to fraction form
    8,682.12/11,980.59 = 5,096.68/x
  3. Step 3: Cross multiply
    8,682.12x = 11,980.59 × 5,096.68
  4. Step 4: Simplify right side
    8,682.12x = 61,061,233.44
  5. Step 5: Solve for x
    x = 61,061,233.44/8,682.12
  6. Step 6: Final answer
    x = 7,032.99

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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.