Home / 11,480.14-15,844.26-6,446.44

Finding the Fourth Proportional to 11,480.14, 15,844.26 and 6,446.44

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Solution

The fourth proportional to 11,480.14, 15,844.26 and 6,446.44 is: 8,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.14 : 15,844.26 = 6,446.44 : x
  2. Step 2: Convert to fraction form
    11,480.14/15,844.26 = 6,446.44/x
  3. Step 3: Cross multiply
    11,480.14x = 15,844.26 × 6,446.44
  4. Step 4: Simplify right side
    11,480.14x = 102,139,071.43
  5. Step 5: Solve for x
    x = 102,139,071.43/11,480.14
  6. Step 6: Final answer
    x = 8,897.02

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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.