Home / 11,779.12-16,255.68-6,474.16

Finding the Fourth Proportional to 11,779.12, 16,255.68 and 6,474.16

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Solution

The fourth proportional to 11,779.12, 16,255.68 and 6,474.16 is: 8,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.12 : 16,255.68 = 6,474.16 : x
  2. Step 2: Convert to fraction form
    11,779.12/16,255.68 = 6,474.16/x
  3. Step 3: Cross multiply
    11,779.12x = 16,255.68 × 6,474.16
  4. Step 4: Simplify right side
    11,779.12x = 105,241,873.23
  5. Step 5: Solve for x
    x = 105,241,873.23/11,779.12
  6. Step 6: Final answer
    x = 8,934.61

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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.