Home / 12,504.25-18,756.15-4,184.83

Finding the Fourth Proportional to 12,504.25, 18,756.15 and 4,184.83

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Solution

The fourth proportional to 12,504.25, 18,756.15 and 4,184.83 is: 6,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.25 : 18,756.15 = 4,184.83 : x
  2. Step 2: Convert to fraction form
    12,504.25/18,756.15 = 4,184.83/x
  3. Step 3: Cross multiply
    12,504.25x = 18,756.15 × 4,184.83
  4. Step 4: Simplify right side
    12,504.25x = 78,491,299.20
  5. Step 5: Solve for x
    x = 78,491,299.20/12,504.25
  6. Step 6: Final answer
    x = 6,277.17

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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.