Home / 12,366.60-18,546.20-6,520.02

Finding the Fourth Proportional to 12,366.60, 18,546.20 and 6,520.02

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Solution

The fourth proportional to 12,366.60, 18,546.20 and 6,520.02 is: 9,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.60 : 18,546.20 = 6,520.02 : x
  2. Step 2: Convert to fraction form
    12,366.60/18,546.20 = 6,520.02/x
  3. Step 3: Cross multiply
    12,366.60x = 18,546.20 × 6,520.02
  4. Step 4: Simplify right side
    12,366.60x = 120,921,594.92
  5. Step 5: Solve for x
    x = 120,921,594.92/12,366.60
  6. Step 6: Final answer
    x = 9,778.08

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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.