Home / 11,752.13-16,218.19-6,446.94

Finding the Fourth Proportional to 11,752.13, 16,218.19 and 6,446.94

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Solution

The fourth proportional to 11,752.13, 16,218.19 and 6,446.94 is: 8,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.13 : 16,218.19 = 6,446.94 : x
  2. Step 2: Convert to fraction form
    11,752.13/16,218.19 = 6,446.94/x
  3. Step 3: Cross multiply
    11,752.13x = 16,218.19 × 6,446.94
  4. Step 4: Simplify right side
    11,752.13x = 104,557,709.11
  5. Step 5: Solve for x
    x = 104,557,709.11/11,752.13
  6. Step 6: Final answer
    x = 8,896.92

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Half scale
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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.