Home / 11,925.09-16,455.57-6,546.66

Finding the Fourth Proportional to 11,925.09, 16,455.57 and 6,546.66

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Solution

The fourth proportional to 11,925.09, 16,455.57 and 6,546.66 is: 9,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.09 : 16,455.57 = 6,546.66 : x
  2. Step 2: Convert to fraction form
    11,925.09/16,455.57 = 6,546.66/x
  3. Step 3: Cross multiply
    11,925.09x = 16,455.57 × 6,546.66
  4. Step 4: Simplify right side
    11,925.09x = 107,729,021.90
  5. Step 5: Solve for x
    x = 107,729,021.90/11,925.09
  6. Step 6: Final answer
    x = 9,033.81

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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.