Home / 11,923.38-16,454.12-6,887.58

Finding the Fourth Proportional to 11,923.38, 16,454.12 and 6,887.58

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Solution

The fourth proportional to 11,923.38, 16,454.12 and 6,887.58 is: 9,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.38 : 16,454.12 = 6,887.58 : x
  2. Step 2: Convert to fraction form
    11,923.38/16,454.12 = 6,887.58/x
  3. Step 3: Cross multiply
    11,923.38x = 16,454.12 × 6,887.58
  4. Step 4: Simplify right side
    11,923.38x = 113,329,033.39
  5. Step 5: Solve for x
    x = 113,329,033.39/11,923.38
  6. Step 6: Final answer
    x = 9,504.77

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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.