Home / 13,251.89-18,287.96-7,283.88

Finding the Fourth Proportional to 13,251.89, 18,287.96 and 7,283.88

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Solution

The fourth proportional to 13,251.89, 18,287.96 and 7,283.88 is: 10,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.89 : 18,287.96 = 7,283.88 : x
  2. Step 2: Convert to fraction form
    13,251.89/18,287.96 = 7,283.88/x
  3. Step 3: Cross multiply
    13,251.89x = 18,287.96 × 7,283.88
  4. Step 4: Simplify right side
    13,251.89x = 133,207,269.67
  5. Step 5: Solve for x
    x = 133,207,269.67/13,251.89
  6. Step 6: Final answer
    x = 10,051.95

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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.