Home / 11,360.38-17,022.30-6,415.33

Finding the Fourth Proportional to 11,360.38, 17,022.30 and 6,415.33

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Solution

The fourth proportional to 11,360.38, 17,022.30 and 6,415.33 is: 9,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.38 : 17,022.30 = 6,415.33 : x
  2. Step 2: Convert to fraction form
    11,360.38/17,022.30 = 6,415.33/x
  3. Step 3: Cross multiply
    11,360.38x = 17,022.30 × 6,415.33
  4. Step 4: Simplify right side
    11,360.38x = 109,203,671.86
  5. Step 5: Solve for x
    x = 109,203,671.86/11,360.38
  6. Step 6: Final answer
    x = 9,612.68

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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.