Home / 10,269.25-15,403.99-3,605.91

Finding the Fourth Proportional to 10,269.25, 15,403.99 and 3,605.91

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Solution

The fourth proportional to 10,269.25, 15,403.99 and 3,605.91 is: 5,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.25 : 15,403.99 = 3,605.91 : x
  2. Step 2: Convert to fraction form
    10,269.25/15,403.99 = 3,605.91/x
  3. Step 3: Cross multiply
    10,269.25x = 15,403.99 × 3,605.91
  4. Step 4: Simplify right side
    10,269.25x = 55,545,354.06
  5. Step 5: Solve for x
    x = 55,545,354.06/10,269.25
  6. Step 6: Final answer
    x = 5,408.90

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1.5x scale

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.