Home / 11,779.46-16,256.69-6,475.31

Finding the Fourth Proportional to 11,779.46, 16,256.69 and 6,475.31

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Solution

The fourth proportional to 11,779.46, 16,256.69 and 6,475.31 is: 8,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.46 : 16,256.69 = 6,475.31 : x
  2. Step 2: Convert to fraction form
    11,779.46/16,256.69 = 6,475.31/x
  3. Step 3: Cross multiply
    11,779.46x = 16,256.69 × 6,475.31
  4. Step 4: Simplify right side
    11,779.46x = 105,266,993.66
  5. Step 5: Solve for x
    x = 105,266,993.66/11,779.46
  6. Step 6: Final answer
    x = 8,936.49

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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.