Home / 9,177.08-12,662.17-5,400.41

Finding the Fourth Proportional to 9,177.08, 12,662.17 and 5,400.41

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Solution

The fourth proportional to 9,177.08, 12,662.17 and 5,400.41 is: 7,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.08 : 12,662.17 = 5,400.41 : x
  2. Step 2: Convert to fraction form
    9,177.08/12,662.17 = 5,400.41/x
  3. Step 3: Cross multiply
    9,177.08x = 12,662.17 × 5,400.41
  4. Step 4: Simplify right side
    9,177.08x = 68,380,832.68
  5. Step 5: Solve for x
    x = 68,380,832.68/9,177.08
  6. Step 6: Final answer
    x = 7,451.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.