Home / 11,868.60-16,371.66-7,393.08

Finding the Fourth Proportional to 11,868.60, 16,371.66 and 7,393.08

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Solution

The fourth proportional to 11,868.60, 16,371.66 and 7,393.08 is: 10,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.60 : 16,371.66 = 7,393.08 : x
  2. Step 2: Convert to fraction form
    11,868.60/16,371.66 = 7,393.08/x
  3. Step 3: Cross multiply
    11,868.60x = 16,371.66 × 7,393.08
  4. Step 4: Simplify right side
    11,868.60x = 121,036,992.11
  5. Step 5: Solve for x
    x = 121,036,992.11/11,868.60
  6. Step 6: Final answer
    x = 10,198.09

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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.