Home / 11,845.10-16,342.54-6,807.48

Finding the Fourth Proportional to 11,845.10, 16,342.54 and 6,807.48

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Solution

The fourth proportional to 11,845.10, 16,342.54 and 6,807.48 is: 9,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.10 : 16,342.54 = 6,807.48 : x
  2. Step 2: Convert to fraction form
    11,845.10/16,342.54 = 6,807.48/x
  3. Step 3: Cross multiply
    11,845.10x = 16,342.54 × 6,807.48
  4. Step 4: Simplify right side
    11,845.10x = 111,251,435.90
  5. Step 5: Solve for x
    x = 111,251,435.90/11,845.10
  6. Step 6: Final answer
    x = 9,392.19

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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.