Home / 12,584.92-18,870.90-4,684.18

Finding the Fourth Proportional to 12,584.92, 18,870.90 and 4,684.18

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Solution

The fourth proportional to 12,584.92, 18,870.90 and 4,684.18 is: 7,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.92 : 18,870.90 = 4,684.18 : x
  2. Step 2: Convert to fraction form
    12,584.92/18,870.90 = 4,684.18/x
  3. Step 3: Cross multiply
    12,584.92x = 18,870.90 × 4,684.18
  4. Step 4: Simplify right side
    12,584.92x = 88,394,692.36
  5. Step 5: Solve for x
    x = 88,394,692.36/12,584.92
  6. Step 6: Final answer
    x = 7,023.86

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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.