Home / 11,834.38-16,336.11-7,117.75

Finding the Fourth Proportional to 11,834.38, 16,336.11 and 7,117.75

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Solution

The fourth proportional to 11,834.38, 16,336.11 and 7,117.75 is: 9,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,834.38 : 16,336.11 = 7,117.75 : x
  2. Step 2: Convert to fraction form
    11,834.38/16,336.11 = 7,117.75/x
  3. Step 3: Cross multiply
    11,834.38x = 16,336.11 × 7,117.75
  4. Step 4: Simplify right side
    11,834.38x = 116,276,346.95
  5. Step 5: Solve for x
    x = 116,276,346.95/11,834.38
  6. Step 6: Final answer
    x = 9,825.30

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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.