Home / 7,408.04-11,112.07-3,025.50

Finding the Fourth Proportional to 7,408.04, 11,112.07 and 3,025.50

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Solution

The fourth proportional to 7,408.04, 11,112.07 and 3,025.50 is: 4,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.04 : 11,112.07 = 3,025.50 : x
  2. Step 2: Convert to fraction form
    7,408.04/11,112.07 = 3,025.50/x
  3. Step 3: Cross multiply
    7,408.04x = 11,112.07 × 3,025.50
  4. Step 4: Simplify right side
    7,408.04x = 33,619,518.55
  5. Step 5: Solve for x
    x = 33,619,518.55/7,408.04
  6. Step 6: Final answer
    x = 4,538.25

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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.