Home / 13,097.52-18,069.57-8,384.49

Finding the Fourth Proportional to 13,097.52, 18,069.57 and 8,384.49

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Solution

The fourth proportional to 13,097.52, 18,069.57 and 8,384.49 is: 11,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.52 : 18,069.57 = 8,384.49 : x
  2. Step 2: Convert to fraction form
    13,097.52/18,069.57 = 8,384.49/x
  3. Step 3: Cross multiply
    13,097.52x = 18,069.57 × 8,384.49
  4. Step 4: Simplify right side
    13,097.52x = 151,504,128.97
  5. Step 5: Solve for x
    x = 151,504,128.97/13,097.52
  6. Step 6: Final answer
    x = 11,567.39

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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.