Home / 11,976.87-16,528.59-6,671.68

Finding the Fourth Proportional to 11,976.87, 16,528.59 and 6,671.68

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Solution

The fourth proportional to 11,976.87, 16,528.59 and 6,671.68 is: 9,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.87 : 16,528.59 = 6,671.68 : x
  2. Step 2: Convert to fraction form
    11,976.87/16,528.59 = 6,671.68/x
  3. Step 3: Cross multiply
    11,976.87x = 16,528.59 × 6,671.68
  4. Step 4: Simplify right side
    11,976.87x = 110,273,463.33
  5. Step 5: Solve for x
    x = 110,273,463.33/11,976.87
  6. Step 6: Final answer
    x = 9,207.20

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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.