Home / 8,539.86-11,784.56-4,763.42

Finding the Fourth Proportional to 8,539.86, 11,784.56 and 4,763.42

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Solution

The fourth proportional to 8,539.86, 11,784.56 and 4,763.42 is: 6,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.86 : 11,784.56 = 4,763.42 : x
  2. Step 2: Convert to fraction form
    8,539.86/11,784.56 = 4,763.42/x
  3. Step 3: Cross multiply
    8,539.86x = 11,784.56 × 4,763.42
  4. Step 4: Simplify right side
    8,539.86x = 56,134,808.80
  5. Step 5: Solve for x
    x = 56,134,808.80/8,539.86
  6. Step 6: Final answer
    x = 6,573.27

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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.