Home / 11,790.08-16,277.03-7,816.57

Finding the Fourth Proportional to 11,790.08, 16,277.03 and 7,816.57

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Solution

The fourth proportional to 11,790.08, 16,277.03 and 7,816.57 is: 10,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.08 : 16,277.03 = 7,816.57 : x
  2. Step 2: Convert to fraction form
    11,790.08/16,277.03 = 7,816.57/x
  3. Step 3: Cross multiply
    11,790.08x = 16,277.03 × 7,816.57
  4. Step 4: Simplify right side
    11,790.08x = 127,230,493.92
  5. Step 5: Solve for x
    x = 127,230,493.92/11,790.08
  6. Step 6: Final answer
    x = 10,791.32

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Half scale
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Double scale
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Similar ratio
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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.