Home / 11,475.06-17,212.38-3,155.04

Finding the Fourth Proportional to 11,475.06, 17,212.38 and 3,155.04

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Solution

The fourth proportional to 11,475.06, 17,212.38 and 3,155.04 is: 4,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.06 : 17,212.38 = 3,155.04 : x
  2. Step 2: Convert to fraction form
    11,475.06/17,212.38 = 3,155.04/x
  3. Step 3: Cross multiply
    11,475.06x = 17,212.38 × 3,155.04
  4. Step 4: Simplify right side
    11,475.06x = 54,305,747.40
  5. Step 5: Solve for x
    x = 54,305,747.40/11,475.06
  6. Step 6: Final answer
    x = 4,732.50

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Half scale
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Double scale
Find fourth proportional to 11,476.06, 17,213.88 and 3,156.04
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.