Home / 8,076.30-12,113.04-2,153.26

Finding the Fourth Proportional to 8,076.30, 12,113.04 and 2,153.26

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Solution

The fourth proportional to 8,076.30, 12,113.04 and 2,153.26 is: 3,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.30 : 12,113.04 = 2,153.26 : x
  2. Step 2: Convert to fraction form
    8,076.30/12,113.04 = 2,153.26/x
  3. Step 3: Cross multiply
    8,076.30x = 12,113.04 × 2,153.26
  4. Step 4: Simplify right side
    8,076.30x = 26,082,524.51
  5. Step 5: Solve for x
    x = 26,082,524.51/8,076.30
  6. Step 6: Final answer
    x = 3,229.51

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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.