Home / 11,779.08-16,255.18-6,473.76

Finding the Fourth Proportional to 11,779.08, 16,255.18 and 6,473.76

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Solution

The fourth proportional to 11,779.08, 16,255.18 and 6,473.76 is: 8,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.08 : 16,255.18 = 6,473.76 : x
  2. Step 2: Convert to fraction form
    11,779.08/16,255.18 = 6,473.76/x
  3. Step 3: Cross multiply
    11,779.08x = 16,255.18 × 6,473.76
  4. Step 4: Simplify right side
    11,779.08x = 105,232,134.08
  5. Step 5: Solve for x
    x = 105,232,134.08/11,779.08
  6. Step 6: Final answer
    x = 8,933.82

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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.