Home / 8,463.42-12,702.82-4,518.02

Finding the Fourth Proportional to 8,463.42, 12,702.82 and 4,518.02

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Solution

The fourth proportional to 8,463.42, 12,702.82 and 4,518.02 is: 6,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.42 : 12,702.82 = 4,518.02 : x
  2. Step 2: Convert to fraction form
    8,463.42/12,702.82 = 4,518.02/x
  3. Step 3: Cross multiply
    8,463.42x = 12,702.82 × 4,518.02
  4. Step 4: Simplify right side
    8,463.42x = 57,391,594.82
  5. Step 5: Solve for x
    x = 57,391,594.82/8,463.42
  6. Step 6: Final answer
    x = 6,781.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.