Home / 11,213.36-15,471.60-6,735.68

Finding the Fourth Proportional to 11,213.36, 15,471.60 and 6,735.68

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Solution

The fourth proportional to 11,213.36, 15,471.60 and 6,735.68 is: 9,293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.36 : 15,471.60 = 6,735.68 : x
  2. Step 2: Convert to fraction form
    11,213.36/15,471.60 = 6,735.68/x
  3. Step 3: Cross multiply
    11,213.36x = 15,471.60 × 6,735.68
  4. Step 4: Simplify right side
    11,213.36x = 104,211,746.69
  5. Step 5: Solve for x
    x = 104,211,746.69/11,213.36
  6. Step 6: Final answer
    x = 9,293.53

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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.