Home / 11,845.31-16,346.43-6,540.08

Finding the Fourth Proportional to 11,845.31, 16,346.43 and 6,540.08

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Solution

The fourth proportional to 11,845.31, 16,346.43 and 6,540.08 is: 9,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.31 : 16,346.43 = 6,540.08 : x
  2. Step 2: Convert to fraction form
    11,845.31/16,346.43 = 6,540.08/x
  3. Step 3: Cross multiply
    11,845.31x = 16,346.43 × 6,540.08
  4. Step 4: Simplify right side
    11,845.31x = 106,906,959.91
  5. Step 5: Solve for x
    x = 106,906,959.91/11,845.31
  6. Step 6: Final answer
    x = 9,025.26

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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.