Home / 12,095.53-18,143.73-3,331.13

Finding the Fourth Proportional to 12,095.53, 18,143.73 and 3,331.13

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Solution

The fourth proportional to 12,095.53, 18,143.73 and 3,331.13 is: 4,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.53 : 18,143.73 = 3,331.13 : x
  2. Step 2: Convert to fraction form
    12,095.53/18,143.73 = 3,331.13/x
  3. Step 3: Cross multiply
    12,095.53x = 18,143.73 × 3,331.13
  4. Step 4: Simplify right side
    12,095.53x = 60,439,032.60
  5. Step 5: Solve for x
    x = 60,439,032.60/12,095.53
  6. Step 6: Final answer
    x = 4,996.81

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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.