Home / 7,546.80-11,320.20-4,922.40

Finding the Fourth Proportional to 7,546.80, 11,320.20 and 4,922.40

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Solution

The fourth proportional to 7,546.80, 11,320.20 and 4,922.40 is: 7,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.80 : 11,320.20 = 4,922.40 : x
  2. Step 2: Convert to fraction form
    7,546.80/11,320.20 = 4,922.40/x
  3. Step 3: Cross multiply
    7,546.80x = 11,320.20 × 4,922.40
  4. Step 4: Simplify right side
    7,546.80x = 55,722,552.48
  5. Step 5: Solve for x
    x = 55,722,552.48/7,546.80
  6. Step 6: Final answer
    x = 7,383.60

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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.