Home / 11,976.87-16,533.17-8,529.69

Finding the Fourth Proportional to 11,976.87, 16,533.17 and 8,529.69

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Solution

The fourth proportional to 11,976.87, 16,533.17 and 8,529.69 is: 11,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.87 : 16,533.17 = 8,529.69 : x
  2. Step 2: Convert to fraction form
    11,976.87/16,533.17 = 8,529.69/x
  3. Step 3: Cross multiply
    11,976.87x = 16,533.17 × 8,529.69
  4. Step 4: Simplify right side
    11,976.87x = 141,022,772.17
  5. Step 5: Solve for x
    x = 141,022,772.17/11,976.87
  6. Step 6: Final answer
    x = 11,774.59

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Double scale
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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.