Home / 13,304.25-18,359.99-7,336.12

Finding the Fourth Proportional to 13,304.25, 18,359.99 and 7,336.12

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Solution

The fourth proportional to 13,304.25, 18,359.99 and 7,336.12 is: 10,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.25 : 18,359.99 = 7,336.12 : x
  2. Step 2: Convert to fraction form
    13,304.25/18,359.99 = 7,336.12/x
  3. Step 3: Cross multiply
    13,304.25x = 18,359.99 × 7,336.12
  4. Step 4: Simplify right side
    13,304.25x = 134,691,089.83
  5. Step 5: Solve for x
    x = 134,691,089.83/13,304.25
  6. Step 6: Final answer
    x = 10,123.91

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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.