Home / 10,903.85-16,345.38-3,503.11

Finding the Fourth Proportional to 10,903.85, 16,345.38 and 3,503.11

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Solution

The fourth proportional to 10,903.85, 16,345.38 and 3,503.11 is: 5,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.85 : 16,345.38 = 3,503.11 : x
  2. Step 2: Convert to fraction form
    10,903.85/16,345.38 = 3,503.11/x
  3. Step 3: Cross multiply
    10,903.85x = 16,345.38 × 3,503.11
  4. Step 4: Simplify right side
    10,903.85x = 57,259,647.35
  5. Step 5: Solve for x
    x = 57,259,647.35/10,903.85
  6. Step 6: Final answer
    x = 5,251.33

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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.