Home / 7,380.54-11,062.71-5,188.68

Finding the Fourth Proportional to 7,380.54, 11,062.71 and 5,188.68

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Solution

The fourth proportional to 7,380.54, 11,062.71 and 5,188.68 is: 7,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.54 : 11,062.71 = 5,188.68 : x
  2. Step 2: Convert to fraction form
    7,380.54/11,062.71 = 5,188.68/x
  3. Step 3: Cross multiply
    7,380.54x = 11,062.71 × 5,188.68
  4. Step 4: Simplify right side
    7,380.54x = 57,400,862.12
  5. Step 5: Solve for x
    x = 57,400,862.12/7,380.54
  6. Step 6: Final answer
    x = 7,777.33

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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.