Home / 10,839.02-16,243.95-4,263.44

Finding the Fourth Proportional to 10,839.02, 16,243.95 and 4,263.44

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Solution

The fourth proportional to 10,839.02, 16,243.95 and 4,263.44 is: 6,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.02 : 16,243.95 = 4,263.44 : x
  2. Step 2: Convert to fraction form
    10,839.02/16,243.95 = 4,263.44/x
  3. Step 3: Cross multiply
    10,839.02x = 16,243.95 × 4,263.44
  4. Step 4: Simplify right side
    10,839.02x = 69,255,146.80
  5. Step 5: Solve for x
    x = 69,255,146.80/10,839.02
  6. Step 6: Final answer
    x = 6,389.43

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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.