Home / 12,286.54-16,950.60-7,562.62

Finding the Fourth Proportional to 12,286.54, 16,950.60 and 7,562.62

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Solution

The fourth proportional to 12,286.54, 16,950.60 and 7,562.62 is: 10,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.54 : 16,950.60 = 7,562.62 : x
  2. Step 2: Convert to fraction form
    12,286.54/16,950.60 = 7,562.62/x
  3. Step 3: Cross multiply
    12,286.54x = 16,950.60 × 7,562.62
  4. Step 4: Simplify right side
    12,286.54x = 128,190,946.57
  5. Step 5: Solve for x
    x = 128,190,946.57/12,286.54
  6. Step 6: Final answer
    x = 10,433.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.