Home / 11,851.70-16,355.12-6,546.39

Finding the Fourth Proportional to 11,851.70, 16,355.12 and 6,546.39

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Solution

The fourth proportional to 11,851.70, 16,355.12 and 6,546.39 is: 9,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.70 : 16,355.12 = 6,546.39 : x
  2. Step 2: Convert to fraction form
    11,851.70/16,355.12 = 6,546.39/x
  3. Step 3: Cross multiply
    11,851.70x = 16,355.12 × 6,546.39
  4. Step 4: Simplify right side
    11,851.70x = 107,066,961.28
  5. Step 5: Solve for x
    x = 107,066,961.28/11,851.70
  6. Step 6: Final answer
    x = 9,033.89

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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.