Home / 12,529.48-18,788.55-5,963.62

Finding the Fourth Proportional to 12,529.48, 18,788.55 and 5,963.62

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Solution

The fourth proportional to 12,529.48, 18,788.55 and 5,963.62 is: 8,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.48 : 18,788.55 = 5,963.62 : x
  2. Step 2: Convert to fraction form
    12,529.48/18,788.55 = 5,963.62/x
  3. Step 3: Cross multiply
    12,529.48x = 18,788.55 × 5,963.62
  4. Step 4: Simplify right side
    12,529.48x = 112,047,772.55
  5. Step 5: Solve for x
    x = 112,047,772.55/12,529.48
  6. Step 6: Final answer
    x = 8,942.73

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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.