Home / 8,110.30-12,159.08-3,426.48

Finding the Fourth Proportional to 8,110.30, 12,159.08 and 3,426.48

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Solution

The fourth proportional to 8,110.30, 12,159.08 and 3,426.48 is: 5,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.30 : 12,159.08 = 3,426.48 : x
  2. Step 2: Convert to fraction form
    8,110.30/12,159.08 = 3,426.48/x
  3. Step 3: Cross multiply
    8,110.30x = 12,159.08 × 3,426.48
  4. Step 4: Simplify right side
    8,110.30x = 41,662,844.44
  5. Step 5: Solve for x
    x = 41,662,844.44/8,110.30
  6. Step 6: Final answer
    x = 5,137.03

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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.