Home / 8,215.99-11,338.05-4,439.14

Finding the Fourth Proportional to 8,215.99, 11,338.05 and 4,439.14

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Solution

The fourth proportional to 8,215.99, 11,338.05 and 4,439.14 is: 6,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.99 : 11,338.05 = 4,439.14 : x
  2. Step 2: Convert to fraction form
    8,215.99/11,338.05 = 4,439.14/x
  3. Step 3: Cross multiply
    8,215.99x = 11,338.05 × 4,439.14
  4. Step 4: Simplify right side
    8,215.99x = 50,331,218.39
  5. Step 5: Solve for x
    x = 50,331,218.39/8,215.99
  6. Step 6: Final answer
    x = 6,126.01

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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.