Home / 10,813.54-16,238.84-6,678.02

Finding the Fourth Proportional to 10,813.54, 16,238.84 and 6,678.02

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Solution

The fourth proportional to 10,813.54, 16,238.84 and 6,678.02 is: 10,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.54 : 16,238.84 = 6,678.02 : x
  2. Step 2: Convert to fraction form
    10,813.54/16,238.84 = 6,678.02/x
  3. Step 3: Cross multiply
    10,813.54x = 16,238.84 × 6,678.02
  4. Step 4: Simplify right side
    10,813.54x = 108,443,298.30
  5. Step 5: Solve for x
    x = 108,443,298.30/10,813.54
  6. Step 6: Final answer
    x = 10,028.47

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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.