Home / 13,176.41-18,183.30-7,208.01

Finding the Fourth Proportional to 13,176.41, 18,183.30 and 7,208.01

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Solution

The fourth proportional to 13,176.41, 18,183.30 and 7,208.01 is: 9,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.41 : 18,183.30 = 7,208.01 : x
  2. Step 2: Convert to fraction form
    13,176.41/18,183.30 = 7,208.01/x
  3. Step 3: Cross multiply
    13,176.41x = 18,183.30 × 7,208.01
  4. Step 4: Simplify right side
    13,176.41x = 131,065,408.23
  5. Step 5: Solve for x
    x = 131,065,408.23/13,176.41
  6. Step 6: Final answer
    x = 9,946.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.