Home / 12,040.24-18,062.09-3,720.99

Finding the Fourth Proportional to 12,040.24, 18,062.09 and 3,720.99

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Solution

The fourth proportional to 12,040.24, 18,062.09 and 3,720.99 is: 5,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.24 : 18,062.09 = 3,720.99 : x
  2. Step 2: Convert to fraction form
    12,040.24/18,062.09 = 3,720.99/x
  3. Step 3: Cross multiply
    12,040.24x = 18,062.09 × 3,720.99
  4. Step 4: Simplify right side
    12,040.24x = 67,208,856.27
  5. Step 5: Solve for x
    x = 67,208,856.27/12,040.24
  6. Step 6: Final answer
    x = 5,582.02

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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.