Home / 11,862.06-16,370.49-6,556.77

Finding the Fourth Proportional to 11,862.06, 16,370.49 and 6,556.77

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Solution

The fourth proportional to 11,862.06, 16,370.49 and 6,556.77 is: 9,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.06 : 16,370.49 = 6,556.77 : x
  2. Step 2: Convert to fraction form
    11,862.06/16,370.49 = 6,556.77/x
  3. Step 3: Cross multiply
    11,862.06x = 16,370.49 × 6,556.77
  4. Step 4: Simplify right side
    11,862.06x = 107,337,537.72
  5. Step 5: Solve for x
    x = 107,337,537.72/11,862.06
  6. Step 6: Final answer
    x = 9,048.81

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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.