Home / 11,553.28-15,943.26-6,837.64

Finding the Fourth Proportional to 11,553.28, 15,943.26 and 6,837.64

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Solution

The fourth proportional to 11,553.28, 15,943.26 and 6,837.64 is: 9,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.28 : 15,943.26 = 6,837.64 : x
  2. Step 2: Convert to fraction form
    11,553.28/15,943.26 = 6,837.64/x
  3. Step 3: Cross multiply
    11,553.28x = 15,943.26 × 6,837.64
  4. Step 4: Simplify right side
    11,553.28x = 109,014,272.31
  5. Step 5: Solve for x
    x = 109,014,272.31/11,553.28
  6. Step 6: Final answer
    x = 9,435.79

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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.