Home / 11,868.00-16,379.50-6,832.10

Finding the Fourth Proportional to 11,868.00, 16,379.50 and 6,832.10

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Solution

The fourth proportional to 11,868.00, 16,379.50 and 6,832.10 is: 9,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.00 : 16,379.50 = 6,832.10 : x
  2. Step 2: Convert to fraction form
    11,868.00/16,379.50 = 6,832.10/x
  3. Step 3: Cross multiply
    11,868.00x = 16,379.50 × 6,832.10
  4. Step 4: Simplify right side
    11,868.00x = 111,906,326.49
  5. Step 5: Solve for x
    x = 111,906,326.49/11,868.00
  6. Step 6: Final answer
    x = 9,429.25

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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.