Home / 8,315.48-12,463.30-3,867.14

Finding the Fourth Proportional to 8,315.48, 12,463.30 and 3,867.14

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Solution

The fourth proportional to 8,315.48, 12,463.30 and 3,867.14 is: 5,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.48 : 12,463.30 = 3,867.14 : x
  2. Step 2: Convert to fraction form
    8,315.48/12,463.30 = 3,867.14/x
  3. Step 3: Cross multiply
    8,315.48x = 12,463.30 × 3,867.14
  4. Step 4: Simplify right side
    8,315.48x = 48,197,325.96
  5. Step 5: Solve for x
    x = 48,197,325.96/8,315.48
  6. Step 6: Final answer
    x = 5,796.10

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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.