Home / 12,321.16-18,484.94-4,001.16

Finding the Fourth Proportional to 12,321.16, 18,484.94 and 4,001.16

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Solution

The fourth proportional to 12,321.16, 18,484.94 and 4,001.16 is: 6,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321.16 : 18,484.94 = 4,001.16 : x
  2. Step 2: Convert to fraction form
    12,321.16/18,484.94 = 4,001.16/x
  3. Step 3: Cross multiply
    12,321.16x = 18,484.94 × 4,001.16
  4. Step 4: Simplify right side
    12,321.16x = 73,961,202.53
  5. Step 5: Solve for x
    x = 73,961,202.53/12,321.16
  6. Step 6: Final answer
    x = 6,002.78

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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.