Home / 8,331.36-11,497.58-4,554.78

Finding the Fourth Proportional to 8,331.36, 11,497.58 and 4,554.78

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Solution

The fourth proportional to 8,331.36, 11,497.58 and 4,554.78 is: 6,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.36 : 11,497.58 = 4,554.78 : x
  2. Step 2: Convert to fraction form
    8,331.36/11,497.58 = 4,554.78/x
  3. Step 3: Cross multiply
    8,331.36x = 11,497.58 × 4,554.78
  4. Step 4: Simplify right side
    8,331.36x = 52,368,898.62
  5. Step 5: Solve for x
    x = 52,368,898.62/8,331.36
  6. Step 6: Final answer
    x = 6,285.76

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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.