Home / 12,093.45-18,140.28-3,660.01

Finding the Fourth Proportional to 12,093.45, 18,140.28 and 3,660.01

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Solution

The fourth proportional to 12,093.45, 18,140.28 and 3,660.01 is: 5,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.45 : 18,140.28 = 3,660.01 : x
  2. Step 2: Convert to fraction form
    12,093.45/18,140.28 = 3,660.01/x
  3. Step 3: Cross multiply
    12,093.45x = 18,140.28 × 3,660.01
  4. Step 4: Simplify right side
    12,093.45x = 66,393,606.20
  5. Step 5: Solve for x
    x = 66,393,606.20/12,093.45
  6. Step 6: Final answer
    x = 5,490.05

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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.