Home / 8,463.24-12,686.59-3,534.28

Finding the Fourth Proportional to 8,463.24, 12,686.59 and 3,534.28

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Solution

The fourth proportional to 8,463.24, 12,686.59 and 3,534.28 is: 5,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.24 : 12,686.59 = 3,534.28 : x
  2. Step 2: Convert to fraction form
    8,463.24/12,686.59 = 3,534.28/x
  3. Step 3: Cross multiply
    8,463.24x = 12,686.59 × 3,534.28
  4. Step 4: Simplify right side
    8,463.24x = 44,837,961.31
  5. Step 5: Solve for x
    x = 44,837,961.31/8,463.24
  6. Step 6: Final answer
    x = 5,297.97

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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.