Home / 8,506.74-11,740.35-5,150.73

Finding the Fourth Proportional to 8,506.74, 11,740.35 and 5,150.73

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Solution

The fourth proportional to 8,506.74, 11,740.35 and 5,150.73 is: 7,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.74 : 11,740.35 = 5,150.73 : x
  2. Step 2: Convert to fraction form
    8,506.74/11,740.35 = 5,150.73/x
  3. Step 3: Cross multiply
    8,506.74x = 11,740.35 × 5,150.73
  4. Step 4: Simplify right side
    8,506.74x = 60,471,372.96
  5. Step 5: Solve for x
    x = 60,471,372.96/8,506.74
  6. Step 6: Final answer
    x = 7,108.64

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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.