Home / 11,825.12-16,318.11-6,785.84

Finding the Fourth Proportional to 11,825.12, 16,318.11 and 6,785.84

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Solution

The fourth proportional to 11,825.12, 16,318.11 and 6,785.84 is: 9,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.12 : 16,318.11 = 6,785.84 : x
  2. Step 2: Convert to fraction form
    11,825.12/16,318.11 = 6,785.84/x
  3. Step 3: Cross multiply
    11,825.12x = 16,318.11 × 6,785.84
  4. Step 4: Simplify right side
    11,825.12x = 110,732,083.56
  5. Step 5: Solve for x
    x = 110,732,083.56/11,825.12
  6. Step 6: Final answer
    x = 9,364.14

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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.