Home / 8,228.19-11,356.28-6,473.19

Finding the Fourth Proportional to 8,228.19, 11,356.28 and 6,473.19

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Solution

The fourth proportional to 8,228.19, 11,356.28 and 6,473.19 is: 8,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.19 : 11,356.28 = 6,473.19 : x
  2. Step 2: Convert to fraction form
    8,228.19/11,356.28 = 6,473.19/x
  3. Step 3: Cross multiply
    8,228.19x = 11,356.28 × 6,473.19
  4. Step 4: Simplify right side
    8,228.19x = 73,511,358.13
  5. Step 5: Solve for x
    x = 73,511,358.13/8,228.19
  6. Step 6: Final answer
    x = 8,934.09

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Half scale
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Double scale
Find fourth proportional to 8,229.19, 11,357.66 and 6,474.19
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.