Home / 12,484.05-17,228.41-6,819.33

Finding the Fourth Proportional to 12,484.05, 17,228.41 and 6,819.33

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Solution

The fourth proportional to 12,484.05, 17,228.41 and 6,819.33 is: 9,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.05 : 17,228.41 = 6,819.33 : x
  2. Step 2: Convert to fraction form
    12,484.05/17,228.41 = 6,819.33/x
  3. Step 3: Cross multiply
    12,484.05x = 17,228.41 × 6,819.33
  4. Step 4: Simplify right side
    12,484.05x = 117,486,173.81
  5. Step 5: Solve for x
    x = 117,486,173.81/12,484.05
  6. Step 6: Final answer
    x = 9,410.90

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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.