Home / 12,409.36-18,613.98-3,049.30

Finding the Fourth Proportional to 12,409.36, 18,613.98 and 3,049.30

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Solution

The fourth proportional to 12,409.36, 18,613.98 and 3,049.30 is: 4,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409.36 : 18,613.98 = 3,049.30 : x
  2. Step 2: Convert to fraction form
    12,409.36/18,613.98 = 3,049.30/x
  3. Step 3: Cross multiply
    12,409.36x = 18,613.98 × 3,049.30
  4. Step 4: Simplify right side
    12,409.36x = 56,759,562.68
  5. Step 5: Solve for x
    x = 56,759,562.68/12,409.36
  6. Step 6: Final answer
    x = 4,573.93

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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.