Home / 11,189.38-15,441.01-6,153.59

Finding the Fourth Proportional to 11,189.38, 15,441.01 and 6,153.59

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Solution

The fourth proportional to 11,189.38, 15,441.01 and 6,153.59 is: 8,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.38 : 15,441.01 = 6,153.59 : x
  2. Step 2: Convert to fraction form
    11,189.38/15,441.01 = 6,153.59/x
  3. Step 3: Cross multiply
    11,189.38x = 15,441.01 × 6,153.59
  4. Step 4: Simplify right side
    11,189.38x = 95,017,644.73
  5. Step 5: Solve for x
    x = 95,017,644.73/11,189.38
  6. Step 6: Final answer
    x = 8,491.77

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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.