Home / 7,355.60-11,017.20-6,534.80

Finding the Fourth Proportional to 7,355.60, 11,017.20 and 6,534.80

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Solution

The fourth proportional to 7,355.60, 11,017.20 and 6,534.80 is: 9,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.60 : 11,017.20 = 6,534.80 : x
  2. Step 2: Convert to fraction form
    7,355.60/11,017.20 = 6,534.80/x
  3. Step 3: Cross multiply
    7,355.60x = 11,017.20 × 6,534.80
  4. Step 4: Simplify right side
    7,355.60x = 71,995,198.56
  5. Step 5: Solve for x
    x = 71,995,198.56/7,355.60
  6. Step 6: Final answer
    x = 9,787.81

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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.