Home / 8,530.08-11,771.76-4,992.96

Finding the Fourth Proportional to 8,530.08, 11,771.76 and 4,992.96

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Solution

The fourth proportional to 8,530.08, 11,771.76 and 4,992.96 is: 6,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.08 : 11,771.76 = 4,992.96 : x
  2. Step 2: Convert to fraction form
    8,530.08/11,771.76 = 4,992.96/x
  3. Step 3: Cross multiply
    8,530.08x = 11,771.76 × 4,992.96
  4. Step 4: Simplify right side
    8,530.08x = 58,775,926.81
  5. Step 5: Solve for x
    x = 58,775,926.81/8,530.08
  6. Step 6: Final answer
    x = 6,890.43

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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.