Home / 8,450.76-12,667.35-3,182.16

Finding the Fourth Proportional to 8,450.76, 12,667.35 and 3,182.16

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Solution

The fourth proportional to 8,450.76, 12,667.35 and 3,182.16 is: 4,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.76 : 12,667.35 = 3,182.16 : x
  2. Step 2: Convert to fraction form
    8,450.76/12,667.35 = 3,182.16/x
  3. Step 3: Cross multiply
    8,450.76x = 12,667.35 × 3,182.16
  4. Step 4: Simplify right side
    8,450.76x = 40,309,534.48
  5. Step 5: Solve for x
    x = 40,309,534.48/8,450.76
  6. Step 6: Final answer
    x = 4,769.93

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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.