Home / 12,350.60-18,520.50-3,585.32

Finding the Fourth Proportional to 12,350.60, 18,520.50 and 3,585.32

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Solution

The fourth proportional to 12,350.60, 18,520.50 and 3,585.32 is: 5,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.60 : 18,520.50 = 3,585.32 : x
  2. Step 2: Convert to fraction form
    12,350.60/18,520.50 = 3,585.32/x
  3. Step 3: Cross multiply
    12,350.60x = 18,520.50 × 3,585.32
  4. Step 4: Simplify right side
    12,350.60x = 66,401,919.06
  5. Step 5: Solve for x
    x = 66,401,919.06/12,350.60
  6. Step 6: Final answer
    x = 5,376.41

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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.