Home / 13,268.73-18,310.85-7,300.62

Finding the Fourth Proportional to 13,268.73, 18,310.85 and 7,300.62

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Solution

The fourth proportional to 13,268.73, 18,310.85 and 7,300.62 is: 10,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.73 : 18,310.85 = 7,300.62 : x
  2. Step 2: Convert to fraction form
    13,268.73/18,310.85 = 7,300.62/x
  3. Step 3: Cross multiply
    13,268.73x = 18,310.85 × 7,300.62
  4. Step 4: Simplify right side
    13,268.73x = 133,680,557.73
  5. Step 5: Solve for x
    x = 133,680,557.73/13,268.73
  6. Step 6: Final answer
    x = 10,074.86

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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.