Home / 11,884.64-16,400.58-6,579.33

Finding the Fourth Proportional to 11,884.64, 16,400.58 and 6,579.33

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Solution

The fourth proportional to 11,884.64, 16,400.58 and 6,579.33 is: 9,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.64 : 16,400.58 = 6,579.33 : x
  2. Step 2: Convert to fraction form
    11,884.64/16,400.58 = 6,579.33/x
  3. Step 3: Cross multiply
    11,884.64x = 16,400.58 × 6,579.33
  4. Step 4: Simplify right side
    11,884.64x = 107,904,828.01
  5. Step 5: Solve for x
    x = 107,904,828.01/11,884.64
  6. Step 6: Final answer
    x = 9,079.36

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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.