Home / 11,693.00-16,135.73-6,386.79

Finding the Fourth Proportional to 11,693.00, 16,135.73 and 6,386.79

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Solution

The fourth proportional to 11,693.00, 16,135.73 and 6,386.79 is: 8,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.00 : 16,135.73 = 6,386.79 : x
  2. Step 2: Convert to fraction form
    11,693.00/16,135.73 = 6,386.79/x
  3. Step 3: Cross multiply
    11,693.00x = 16,135.73 × 6,386.79
  4. Step 4: Simplify right side
    11,693.00x = 103,055,519.01
  5. Step 5: Solve for x
    x = 103,055,519.01/11,693.00
  6. Step 6: Final answer
    x = 8,813.44

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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.