Home / 12,504.70-18,757.86-4,184.38

Finding the Fourth Proportional to 12,504.70, 18,757.86 and 4,184.38

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Solution

The fourth proportional to 12,504.70, 18,757.86 and 4,184.38 is: 6,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.70 : 18,757.86 = 4,184.38 : x
  2. Step 2: Convert to fraction form
    12,504.70/18,757.86 = 4,184.38/x
  3. Step 3: Cross multiply
    12,504.70x = 18,757.86 × 4,184.38
  4. Step 4: Simplify right side
    12,504.70x = 78,490,014.23
  5. Step 5: Solve for x
    x = 78,490,014.23/12,504.70
  6. Step 6: Final answer
    x = 6,276.84

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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.