Home / 11,923.14-16,455.38-6,887.36

Finding the Fourth Proportional to 11,923.14, 16,455.38 and 6,887.36

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Solution

The fourth proportional to 11,923.14, 16,455.38 and 6,887.36 is: 9,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.14 : 16,455.38 = 6,887.36 : x
  2. Step 2: Convert to fraction form
    11,923.14/16,455.38 = 6,887.36/x
  3. Step 3: Cross multiply
    11,923.14x = 16,455.38 × 6,887.36
  4. Step 4: Simplify right side
    11,923.14x = 113,334,009.28
  5. Step 5: Solve for x
    x = 113,334,009.28/11,923.14
  6. Step 6: Final answer
    x = 9,505.38

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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.