Home / 10,716.03-16,078.37-4,875.39

Finding the Fourth Proportional to 10,716.03, 16,078.37 and 4,875.39

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Solution

The fourth proportional to 10,716.03, 16,078.37 and 4,875.39 is: 7,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.03 : 16,078.37 = 4,875.39 : x
  2. Step 2: Convert to fraction form
    10,716.03/16,078.37 = 4,875.39/x
  3. Step 3: Cross multiply
    10,716.03x = 16,078.37 × 4,875.39
  4. Step 4: Simplify right side
    10,716.03x = 78,388,299.94
  5. Step 5: Solve for x
    x = 78,388,299.94/10,716.03
  6. Step 6: Final answer
    x = 7,315.05

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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.