Home / 12,286.04-16,949.90-7,562.12

Finding the Fourth Proportional to 12,286.04, 16,949.90 and 7,562.12

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Solution

The fourth proportional to 12,286.04, 16,949.90 and 7,562.12 is: 10,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.04 : 16,949.90 = 7,562.12 : x
  2. Step 2: Convert to fraction form
    12,286.04/16,949.90 = 7,562.12/x
  3. Step 3: Cross multiply
    12,286.04x = 16,949.90 × 7,562.12
  4. Step 4: Simplify right side
    12,286.04x = 128,177,177.79
  5. Step 5: Solve for x
    x = 128,177,177.79/12,286.04
  6. Step 6: Final answer
    x = 10,432.75

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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.