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Finding the Fourth Proportional to 11,483.33, 15,843.83 and 6,447.06

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Solution

The fourth proportional to 11,483.33, 15,843.83 and 6,447.06 is: 8,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.33 : 15,843.83 = 6,447.06 : x
  2. Step 2: Convert to fraction form
    11,483.33/15,843.83 = 6,447.06/x
  3. Step 3: Cross multiply
    11,483.33x = 15,843.83 × 6,447.06
  4. Step 4: Simplify right side
    11,483.33x = 102,146,090.40
  5. Step 5: Solve for x
    x = 102,146,090.40/11,483.33
  6. Step 6: Final answer
    x = 8,895.17

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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.