Home / 12,360.82-17,057.77-6,771.86

Finding the Fourth Proportional to 12,360.82, 17,057.77 and 6,771.86

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Solution

The fourth proportional to 12,360.82, 17,057.77 and 6,771.86 is: 9,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.82 : 17,057.77 = 6,771.86 : x
  2. Step 2: Convert to fraction form
    12,360.82/17,057.77 = 6,771.86/x
  3. Step 3: Cross multiply
    12,360.82x = 17,057.77 × 6,771.86
  4. Step 4: Simplify right side
    12,360.82x = 115,512,830.35
  5. Step 5: Solve for x
    x = 115,512,830.35/12,360.82
  6. Step 6: Final answer
    x = 9,345.08

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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.