Home / 8,057.12-12,083.58-5,423.13

Finding the Fourth Proportional to 8,057.12, 12,083.58 and 5,423.13

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Solution

The fourth proportional to 8,057.12, 12,083.58 and 5,423.13 is: 8,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.12 : 12,083.58 = 5,423.13 : x
  2. Step 2: Convert to fraction form
    8,057.12/12,083.58 = 5,423.13/x
  3. Step 3: Cross multiply
    8,057.12x = 12,083.58 × 5,423.13
  4. Step 4: Simplify right side
    8,057.12x = 65,530,825.21
  5. Step 5: Solve for x
    x = 65,530,825.21/8,057.12
  6. Step 6: Final answer
    x = 8,133.29

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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.