Home / 8,116.68-12,176.79-2,494.35

Finding the Fourth Proportional to 8,116.68, 12,176.79 and 2,494.35

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Solution

The fourth proportional to 8,116.68, 12,176.79 and 2,494.35 is: 3,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.68 : 12,176.79 = 2,494.35 : x
  2. Step 2: Convert to fraction form
    8,116.68/12,176.79 = 2,494.35/x
  3. Step 3: Cross multiply
    8,116.68x = 12,176.79 × 2,494.35
  4. Step 4: Simplify right side
    8,116.68x = 30,373,176.14
  5. Step 5: Solve for x
    x = 30,373,176.14/8,116.68
  6. Step 6: Final answer
    x = 3,742.07

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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.