Home / 9,111.80-13,668.46-6,676.92

Finding the Fourth Proportional to 9,111.80, 13,668.46 and 6,676.92

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Solution

The fourth proportional to 9,111.80, 13,668.46 and 6,676.92 is: 10,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.80 : 13,668.46 = 6,676.92 : x
  2. Step 2: Convert to fraction form
    9,111.80/13,668.46 = 6,676.92/x
  3. Step 3: Cross multiply
    9,111.80x = 13,668.46 × 6,676.92
  4. Step 4: Simplify right side
    9,111.80x = 91,263,213.94
  5. Step 5: Solve for x
    x = 91,263,213.94/9,111.80
  6. Step 6: Final answer
    x = 10,015.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.