Home / 13,176.22-18,183.06-7,207.93

Finding the Fourth Proportional to 13,176.22, 18,183.06 and 7,207.93

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Solution

The fourth proportional to 13,176.22, 18,183.06 and 7,207.93 is: 9,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.22 : 18,183.06 = 7,207.93 : x
  2. Step 2: Convert to fraction form
    13,176.22/18,183.06 = 7,207.93/x
  3. Step 3: Cross multiply
    13,176.22x = 18,183.06 × 7,207.93
  4. Step 4: Simplify right side
    13,176.22x = 131,062,223.67
  5. Step 5: Solve for x
    x = 131,062,223.67/13,176.22
  6. Step 6: Final answer
    x = 9,946.88

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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.