Home / 12,530.57-18,770.31-5,936.76

Finding the Fourth Proportional to 12,530.57, 18,770.31 and 5,936.76

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Solution

The fourth proportional to 12,530.57, 18,770.31 and 5,936.76 is: 8,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.57 : 18,770.31 = 5,936.76 : x
  2. Step 2: Convert to fraction form
    12,530.57/18,770.31 = 5,936.76/x
  3. Step 3: Cross multiply
    12,530.57x = 18,770.31 × 5,936.76
  4. Step 4: Simplify right side
    12,530.57x = 111,434,825.60
  5. Step 5: Solve for x
    x = 111,434,825.60/12,530.57
  6. Step 6: Final answer
    x = 8,893.04

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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.