Home / 10,944.80-16,421.07-5,402.03

Finding the Fourth Proportional to 10,944.80, 16,421.07 and 5,402.03

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Solution

The fourth proportional to 10,944.80, 16,421.07 and 5,402.03 is: 8,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.80 : 16,421.07 = 5,402.03 : x
  2. Step 2: Convert to fraction form
    10,944.80/16,421.07 = 5,402.03/x
  3. Step 3: Cross multiply
    10,944.80x = 16,421.07 × 5,402.03
  4. Step 4: Simplify right side
    10,944.80x = 88,707,030.67
  5. Step 5: Solve for x
    x = 88,707,030.67/10,944.80
  6. Step 6: Final answer
    x = 8,104.95

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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.