Home / 6,609.98-9,123.37-4,489.05

Finding the Fourth Proportional to 6,609.98, 9,123.37 and 4,489.05

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Solution

The fourth proportional to 6,609.98, 9,123.37 and 4,489.05 is: 6,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.98 : 9,123.37 = 4,489.05 : x
  2. Step 2: Convert to fraction form
    6,609.98/9,123.37 = 4,489.05/x
  3. Step 3: Cross multiply
    6,609.98x = 9,123.37 × 4,489.05
  4. Step 4: Simplify right side
    6,609.98x = 40,955,252.88
  5. Step 5: Solve for x
    x = 40,955,252.88/6,609.98
  6. Step 6: Final answer
    x = 6,195.97

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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.