Home / 11,914.37-16,442.59-6,879.51

Finding the Fourth Proportional to 11,914.37, 16,442.59 and 6,879.51

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Solution

The fourth proportional to 11,914.37, 16,442.59 and 6,879.51 is: 9,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.37 : 16,442.59 = 6,879.51 : x
  2. Step 2: Convert to fraction form
    11,914.37/16,442.59 = 6,879.51/x
  3. Step 3: Cross multiply
    11,914.37x = 16,442.59 × 6,879.51
  4. Step 4: Simplify right side
    11,914.37x = 113,116,962.33
  5. Step 5: Solve for x
    x = 113,116,962.33/11,914.37
  6. Step 6: Final answer
    x = 9,494.16

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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.