Home / 11,615.06-16,028.35-6,309.77

Finding the Fourth Proportional to 11,615.06, 16,028.35 and 6,309.77

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Solution

The fourth proportional to 11,615.06, 16,028.35 and 6,309.77 is: 8,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.06 : 16,028.35 = 6,309.77 : x
  2. Step 2: Convert to fraction form
    11,615.06/16,028.35 = 6,309.77/x
  3. Step 3: Cross multiply
    11,615.06x = 16,028.35 × 6,309.77
  4. Step 4: Simplify right side
    11,615.06x = 101,135,106.06
  5. Step 5: Solve for x
    x = 101,135,106.06/11,615.06
  6. Step 6: Final answer
    x = 8,707.24

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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.