Home / 13,166.01-18,168.21-7,197.54

Finding the Fourth Proportional to 13,166.01, 18,168.21 and 7,197.54

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Solution

The fourth proportional to 13,166.01, 18,168.21 and 7,197.54 is: 9,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.01 : 18,168.21 = 7,197.54 : x
  2. Step 2: Convert to fraction form
    13,166.01/18,168.21 = 7,197.54/x
  3. Step 3: Cross multiply
    13,166.01x = 18,168.21 × 7,197.54
  4. Step 4: Simplify right side
    13,166.01x = 130,766,418.20
  5. Step 5: Solve for x
    x = 130,766,418.20/13,166.01
  6. Step 6: Final answer
    x = 9,932.12

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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.