Home / 11,779.70-16,257.06-6,475.55

Finding the Fourth Proportional to 11,779.70, 16,257.06 and 6,475.55

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Solution

The fourth proportional to 11,779.70, 16,257.06 and 6,475.55 is: 8,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.70 : 16,257.06 = 6,475.55 : x
  2. Step 2: Convert to fraction form
    11,779.70/16,257.06 = 6,475.55/x
  3. Step 3: Cross multiply
    11,779.70x = 16,257.06 × 6,475.55
  4. Step 4: Simplify right side
    11,779.70x = 105,273,445.53
  5. Step 5: Solve for x
    x = 105,273,445.53/11,779.70
  6. Step 6: Final answer
    x = 8,936.85

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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.