Home / 13,176.46-18,183.45-7,208.02

Finding the Fourth Proportional to 13,176.46, 18,183.45 and 7,208.02

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Solution

The fourth proportional to 13,176.46, 18,183.45 and 7,208.02 is: 9,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.46 : 18,183.45 = 7,208.02 : x
  2. Step 2: Convert to fraction form
    13,176.46/18,183.45 = 7,208.02/x
  3. Step 3: Cross multiply
    13,176.46x = 18,183.45 × 7,208.02
  4. Step 4: Simplify right side
    13,176.46x = 131,066,671.27
  5. Step 5: Solve for x
    x = 131,066,671.27/13,176.46
  6. Step 6: Final answer
    x = 9,947.03

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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.