Home / 12,366.40-18,552.30-6,129.40

Finding the Fourth Proportional to 12,366.40, 18,552.30 and 6,129.40

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Solution

The fourth proportional to 12,366.40, 18,552.30 and 6,129.40 is: 9,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.40 : 18,552.30 = 6,129.40 : x
  2. Step 2: Convert to fraction form
    12,366.40/18,552.30 = 6,129.40/x
  3. Step 3: Cross multiply
    12,366.40x = 18,552.30 × 6,129.40
  4. Step 4: Simplify right side
    12,366.40x = 113,714,467.62
  5. Step 5: Solve for x
    x = 113,714,467.62/12,366.40
  6. Step 6: Final answer
    x = 9,195.44

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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.