Home / 13,174.34-18,180.46-7,205.95

Finding the Fourth Proportional to 13,174.34, 18,180.46 and 7,205.95

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Solution

The fourth proportional to 13,174.34, 18,180.46 and 7,205.95 is: 9,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.34 : 18,180.46 = 7,205.95 : x
  2. Step 2: Convert to fraction form
    13,174.34/18,180.46 = 7,205.95/x
  3. Step 3: Cross multiply
    13,174.34x = 18,180.46 × 7,205.95
  4. Step 4: Simplify right side
    13,174.34x = 131,007,485.74
  5. Step 5: Solve for x
    x = 131,007,485.74/13,174.34
  6. Step 6: Final answer
    x = 9,944.14

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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.