Home / 7,550.70-11,327.88-3,165.72

Finding the Fourth Proportional to 7,550.70, 11,327.88 and 3,165.72

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Solution

The fourth proportional to 7,550.70, 11,327.88 and 3,165.72 is: 4,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.70 : 11,327.88 = 3,165.72 : x
  2. Step 2: Convert to fraction form
    7,550.70/11,327.88 = 3,165.72/x
  3. Step 3: Cross multiply
    7,550.70x = 11,327.88 × 3,165.72
  4. Step 4: Simplify right side
    7,550.70x = 35,860,896.27
  5. Step 5: Solve for x
    x = 35,860,896.27/7,550.70
  6. Step 6: Final answer
    x = 4,749.35

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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.