Home / 8,268.96-12,374.60-6,770.88

Finding the Fourth Proportional to 8,268.96, 12,374.60 and 6,770.88

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Solution

The fourth proportional to 8,268.96, 12,374.60 and 6,770.88 is: 10,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.96 : 12,374.60 = 6,770.88 : x
  2. Step 2: Convert to fraction form
    8,268.96/12,374.60 = 6,770.88/x
  3. Step 3: Cross multiply
    8,268.96x = 12,374.60 × 6,770.88
  4. Step 4: Simplify right side
    8,268.96x = 83,786,931.65
  5. Step 5: Solve for x
    x = 83,786,931.65/8,268.96
  6. Step 6: Final answer
    x = 10,132.70

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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.