Home / 8,468.26-11,686.30-4,691.50

Finding the Fourth Proportional to 8,468.26, 11,686.30 and 4,691.50

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Solution

The fourth proportional to 8,468.26, 11,686.30 and 4,691.50 is: 6,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.26 : 11,686.30 = 4,691.50 : x
  2. Step 2: Convert to fraction form
    8,468.26/11,686.30 = 4,691.50/x
  3. Step 3: Cross multiply
    8,468.26x = 11,686.30 × 4,691.50
  4. Step 4: Simplify right side
    8,468.26x = 54,826,276.45
  5. Step 5: Solve for x
    x = 54,826,276.45/8,468.26
  6. Step 6: Final answer
    x = 6,474.33

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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.