Home / 12,505.08-18,757.41-3,271.08

Finding the Fourth Proportional to 12,505.08, 18,757.41 and 3,271.08

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Solution

The fourth proportional to 12,505.08, 18,757.41 and 3,271.08 is: 4,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.08 : 18,757.41 = 3,271.08 : x
  2. Step 2: Convert to fraction form
    12,505.08/18,757.41 = 3,271.08/x
  3. Step 3: Cross multiply
    12,505.08x = 18,757.41 × 3,271.08
  4. Step 4: Simplify right side
    12,505.08x = 61,356,988.70
  5. Step 5: Solve for x
    x = 61,356,988.70/12,505.08
  6. Step 6: Final answer
    x = 4,906.57

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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.