Home / 7,355.60-11,026.20-3,847.40

Finding the Fourth Proportional to 7,355.60, 11,026.20 and 3,847.40

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Solution

The fourth proportional to 7,355.60, 11,026.20 and 3,847.40 is: 5,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.60 : 11,026.20 = 3,847.40 : x
  2. Step 2: Convert to fraction form
    7,355.60/11,026.20 = 3,847.40/x
  3. Step 3: Cross multiply
    7,355.60x = 11,026.20 × 3,847.40
  4. Step 4: Simplify right side
    7,355.60x = 42,422,201.88
  5. Step 5: Solve for x
    x = 42,422,201.88/7,355.60
  6. Step 6: Final answer
    x = 5,767.33

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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.