Home / 8,207.86-11,326.69-4,670.99

Finding the Fourth Proportional to 8,207.86, 11,326.69 and 4,670.99

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Solution

The fourth proportional to 8,207.86, 11,326.69 and 4,670.99 is: 6,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.86 : 11,326.69 = 4,670.99 : x
  2. Step 2: Convert to fraction form
    8,207.86/11,326.69 = 4,670.99/x
  3. Step 3: Cross multiply
    8,207.86x = 11,326.69 × 4,670.99
  4. Step 4: Simplify right side
    8,207.86x = 52,906,855.72
  5. Step 5: Solve for x
    x = 52,906,855.72/8,207.86
  6. Step 6: Final answer
    x = 6,445.88

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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.