Home / 10,999.11-16,490.83-5,152.53

Finding the Fourth Proportional to 10,999.11, 16,490.83 and 5,152.53

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Solution

The fourth proportional to 10,999.11, 16,490.83 and 5,152.53 is: 7,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.11 : 16,490.83 = 5,152.53 : x
  2. Step 2: Convert to fraction form
    10,999.11/16,490.83 = 5,152.53/x
  3. Step 3: Cross multiply
    10,999.11x = 16,490.83 × 5,152.53
  4. Step 4: Simplify right side
    10,999.11x = 84,969,496.30
  5. Step 5: Solve for x
    x = 84,969,496.30/10,999.11
  6. Step 6: Final answer
    x = 7,725.12

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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.