Home / 11,801.80-16,283.19-7,325.74

Finding the Fourth Proportional to 11,801.80, 16,283.19 and 7,325.74

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Solution

The fourth proportional to 11,801.80, 16,283.19 and 7,325.74 is: 10,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.80 : 16,283.19 = 7,325.74 : x
  2. Step 2: Convert to fraction form
    11,801.80/16,283.19 = 7,325.74/x
  3. Step 3: Cross multiply
    11,801.80x = 16,283.19 × 7,325.74
  4. Step 4: Simplify right side
    11,801.80x = 119,286,416.31
  5. Step 5: Solve for x
    x = 119,286,416.31/11,801.80
  6. Step 6: Final answer
    x = 10,107.48

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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.