Home / 11,071.26-16,613.73-6,400.50

Finding the Fourth Proportional to 11,071.26, 16,613.73 and 6,400.50

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Solution

The fourth proportional to 11,071.26, 16,613.73 and 6,400.50 is: 9,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.26 : 16,613.73 = 6,400.50 : x
  2. Step 2: Convert to fraction form
    11,071.26/16,613.73 = 6,400.50/x
  3. Step 3: Cross multiply
    11,071.26x = 16,613.73 × 6,400.50
  4. Step 4: Simplify right side
    11,071.26x = 106,336,178.87
  5. Step 5: Solve for x
    x = 106,336,178.87/11,071.26
  6. Step 6: Final answer
    x = 9,604.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.