Home / 11,697.47-16,143.44-6,663.23

Finding the Fourth Proportional to 11,697.47, 16,143.44 and 6,663.23

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Solution

The fourth proportional to 11,697.47, 16,143.44 and 6,663.23 is: 9,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,697.47 : 16,143.44 = 6,663.23 : x
  2. Step 2: Convert to fraction form
    11,697.47/16,143.44 = 6,663.23/x
  3. Step 3: Cross multiply
    11,697.47x = 16,143.44 × 6,663.23
  4. Step 4: Simplify right side
    11,697.47x = 107,567,339.68
  5. Step 5: Solve for x
    x = 107,567,339.68/11,697.47
  6. Step 6: Final answer
    x = 9,195.78

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Double scale
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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.