Home / 8,025.80-12,043.46-3,643.20

Finding the Fourth Proportional to 8,025.80, 12,043.46 and 3,643.20

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Solution

The fourth proportional to 8,025.80, 12,043.46 and 3,643.20 is: 5,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.80 : 12,043.46 = 3,643.20 : x
  2. Step 2: Convert to fraction form
    8,025.80/12,043.46 = 3,643.20/x
  3. Step 3: Cross multiply
    8,025.80x = 12,043.46 × 3,643.20
  4. Step 4: Simplify right side
    8,025.80x = 43,876,715.26
  5. Step 5: Solve for x
    x = 43,876,715.26/8,025.80
  6. Step 6: Final answer
    x = 5,466.96

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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.