Home / 13,171.34-18,176.32-7,202.95

Finding the Fourth Proportional to 13,171.34, 18,176.32 and 7,202.95

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Solution

The fourth proportional to 13,171.34, 18,176.32 and 7,202.95 is: 9,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.34 : 18,176.32 = 7,202.95 : x
  2. Step 2: Convert to fraction form
    13,171.34/18,176.32 = 7,202.95/x
  3. Step 3: Cross multiply
    13,171.34x = 18,176.32 × 7,202.95
  4. Step 4: Simplify right side
    13,171.34x = 130,923,124.14
  5. Step 5: Solve for x
    x = 130,923,124.14/13,171.34
  6. Step 6: Final answer
    x = 9,940.00

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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.