Home / 8,765.48-12,094.20-5,180.52

Finding the Fourth Proportional to 8,765.48, 12,094.20 and 5,180.52

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Solution

The fourth proportional to 8,765.48, 12,094.20 and 5,180.52 is: 7,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.48 : 12,094.20 = 5,180.52 : x
  2. Step 2: Convert to fraction form
    8,765.48/12,094.20 = 5,180.52/x
  3. Step 3: Cross multiply
    8,765.48x = 12,094.20 × 5,180.52
  4. Step 4: Simplify right side
    8,765.48x = 62,654,244.98
  5. Step 5: Solve for x
    x = 62,654,244.98/8,765.48
  6. Step 6: Final answer
    x = 7,147.84

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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.