Home / 8,356.24-12,531.84-5,241

Finding the Fourth Proportional to 8,356.24, 12,531.84 and 5,241

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Solution

The fourth proportional to 8,356.24, 12,531.84 and 5,241 is: 7,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.24 : 12,531.84 = 5,241 : x
  2. Step 2: Convert to fraction form
    8,356.24/12,531.84 = 5,241/x
  3. Step 3: Cross multiply
    8,356.24x = 12,531.84 × 5,241
  4. Step 4: Simplify right side
    8,356.24x = 65,679,373.44
  5. Step 5: Solve for x
    x = 65,679,373.44/8,356.24
  6. Step 6: Final answer
    x = 7,859.92

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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.