Home / 7,539.44-11,308.56-3,379.68

Finding the Fourth Proportional to 7,539.44, 11,308.56 and 3,379.68

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Solution

The fourth proportional to 7,539.44, 11,308.56 and 3,379.68 is: 5,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.44 : 11,308.56 = 3,379.68 : x
  2. Step 2: Convert to fraction form
    7,539.44/11,308.56 = 3,379.68/x
  3. Step 3: Cross multiply
    7,539.44x = 11,308.56 × 3,379.68
  4. Step 4: Simplify right side
    7,539.44x = 38,219,314.06
  5. Step 5: Solve for x
    x = 38,219,314.06/7,539.44
  6. Step 6: Final answer
    x = 5,069.25

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.