Home / 12,230.13-18,344.55-3,465.07

Finding the Fourth Proportional to 12,230.13, 18,344.55 and 3,465.07

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Solution

The fourth proportional to 12,230.13, 18,344.55 and 3,465.07 is: 5,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.13 : 18,344.55 = 3,465.07 : x
  2. Step 2: Convert to fraction form
    12,230.13/18,344.55 = 3,465.07/x
  3. Step 3: Cross multiply
    12,230.13x = 18,344.55 × 3,465.07
  4. Step 4: Simplify right side
    12,230.13x = 63,565,149.87
  5. Step 5: Solve for x
    x = 63,565,149.87/12,230.13
  6. Step 6: Final answer
    x = 5,197.42

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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.