Home / 11,975.55-16,525.52-6,939.37

Finding the Fourth Proportional to 11,975.55, 16,525.52 and 6,939.37

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Solution

The fourth proportional to 11,975.55, 16,525.52 and 6,939.37 is: 9,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.55 : 16,525.52 = 6,939.37 : x
  2. Step 2: Convert to fraction form
    11,975.55/16,525.52 = 6,939.37/x
  3. Step 3: Cross multiply
    11,975.55x = 16,525.52 × 6,939.37
  4. Step 4: Simplify right side
    11,975.55x = 114,676,709.71
  5. Step 5: Solve for x
    x = 114,676,709.71/11,975.55
  6. Step 6: Final answer
    x = 9,575.91

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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.