Home / 7,750.40-11,625.20-4,546.48

Finding the Fourth Proportional to 7,750.40, 11,625.20 and 4,546.48

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Solution

The fourth proportional to 7,750.40, 11,625.20 and 4,546.48 is: 6,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.40 : 11,625.20 = 4,546.48 : x
  2. Step 2: Convert to fraction form
    7,750.40/11,625.20 = 4,546.48/x
  3. Step 3: Cross multiply
    7,750.40x = 11,625.20 × 4,546.48
  4. Step 4: Simplify right side
    7,750.40x = 52,853,739.30
  5. Step 5: Solve for x
    x = 52,853,739.30/7,750.40
  6. Step 6: Final answer
    x = 6,819.49

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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.