Home / 8,549.15-12,816.43-3,353.81

Finding the Fourth Proportional to 8,549.15, 12,816.43 and 3,353.81

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Solution

The fourth proportional to 8,549.15, 12,816.43 and 3,353.81 is: 5,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.15 : 12,816.43 = 3,353.81 : x
  2. Step 2: Convert to fraction form
    8,549.15/12,816.43 = 3,353.81/x
  3. Step 3: Cross multiply
    8,549.15x = 12,816.43 × 3,353.81
  4. Step 4: Simplify right side
    8,549.15x = 42,983,798.63
  5. Step 5: Solve for x
    x = 42,983,798.63/8,549.15
  6. Step 6: Final answer
    x = 5,027.85

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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.