Home / 7,539.69-11,309.40-3,096.39

Finding the Fourth Proportional to 7,539.69, 11,309.40 and 3,096.39

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Solution

The fourth proportional to 7,539.69, 11,309.40 and 3,096.39 is: 4,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.69 : 11,309.40 = 3,096.39 : x
  2. Step 2: Convert to fraction form
    7,539.69/11,309.40 = 3,096.39/x
  3. Step 3: Cross multiply
    7,539.69x = 11,309.40 × 3,096.39
  4. Step 4: Simplify right side
    7,539.69x = 35,018,313.07
  5. Step 5: Solve for x
    x = 35,018,313.07/7,539.69
  6. Step 6: Final answer
    x = 4,644.53

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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.