Home / 10,983.20-16,476.87-4,409.90

Finding the Fourth Proportional to 10,983.20, 16,476.87 and 4,409.90

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Solution

The fourth proportional to 10,983.20, 16,476.87 and 4,409.90 is: 6,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.20 : 16,476.87 = 4,409.90 : x
  2. Step 2: Convert to fraction form
    10,983.20/16,476.87 = 4,409.90/x
  3. Step 3: Cross multiply
    10,983.20x = 16,476.87 × 4,409.90
  4. Step 4: Simplify right side
    10,983.20x = 72,661,266.63
  5. Step 5: Solve for x
    x = 72,661,266.63/10,983.20
  6. Step 6: Final answer
    x = 6,615.68

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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.