Home / 13,173.26-18,179.10-7,204.93

Finding the Fourth Proportional to 13,173.26, 18,179.10 and 7,204.93

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Solution

The fourth proportional to 13,173.26, 18,179.10 and 7,204.93 is: 9,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.26 : 18,179.10 = 7,204.93 : x
  2. Step 2: Convert to fraction form
    13,173.26/18,179.10 = 7,204.93/x
  3. Step 3: Cross multiply
    13,173.26x = 18,179.10 × 7,204.93
  4. Step 4: Simplify right side
    13,173.26x = 130,979,044.75
  5. Step 5: Solve for x
    x = 130,979,044.75/13,173.26
  6. Step 6: Final answer
    x = 9,942.80

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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.