Home / 8,022.96-12,033.08-2,178.20

Finding the Fourth Proportional to 8,022.96, 12,033.08 and 2,178.20

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Solution

The fourth proportional to 8,022.96, 12,033.08 and 2,178.20 is: 3,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.96 : 12,033.08 = 2,178.20 : x
  2. Step 2: Convert to fraction form
    8,022.96/12,033.08 = 2,178.20/x
  3. Step 3: Cross multiply
    8,022.96x = 12,033.08 × 2,178.20
  4. Step 4: Simplify right side
    8,022.96x = 26,210,454.86
  5. Step 5: Solve for x
    x = 26,210,454.86/8,022.96
  6. Step 6: Final answer
    x = 3,266.93

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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.