Home / 11,825.70-16,318.26-6,788.71

Finding the Fourth Proportional to 11,825.70, 16,318.26 and 6,788.71

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Solution

The fourth proportional to 11,825.70, 16,318.26 and 6,788.71 is: 9,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.70 : 16,318.26 = 6,788.71 : x
  2. Step 2: Convert to fraction form
    11,825.70/16,318.26 = 6,788.71/x
  3. Step 3: Cross multiply
    11,825.70x = 16,318.26 × 6,788.71
  4. Step 4: Simplify right side
    11,825.70x = 110,779,934.84
  5. Step 5: Solve for x
    x = 110,779,934.84/11,825.70
  6. Step 6: Final answer
    x = 9,367.73

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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.