Home / 11,975.08-17,956.86-6,779.56

Finding the Fourth Proportional to 11,975.08, 17,956.86 and 6,779.56

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Solution

The fourth proportional to 11,975.08, 17,956.86 and 6,779.56 is: 10,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.08 : 17,956.86 = 6,779.56 : x
  2. Step 2: Convert to fraction form
    11,975.08/17,956.86 = 6,779.56/x
  3. Step 3: Cross multiply
    11,975.08x = 17,956.86 × 6,779.56
  4. Step 4: Simplify right side
    11,975.08x = 121,739,609.78
  5. Step 5: Solve for x
    x = 121,739,609.78/11,975.08
  6. Step 6: Final answer
    x = 10,166.08

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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.