Home / 13,251.69-18,286.43-7,283.23

Finding the Fourth Proportional to 13,251.69, 18,286.43 and 7,283.23

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Solution

The fourth proportional to 13,251.69, 18,286.43 and 7,283.23 is: 10,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.69 : 18,286.43 = 7,283.23 : x
  2. Step 2: Convert to fraction form
    13,251.69/18,286.43 = 7,283.23/x
  3. Step 3: Cross multiply
    13,251.69x = 18,286.43 × 7,283.23
  4. Step 4: Simplify right side
    13,251.69x = 133,184,193.44
  5. Step 5: Solve for x
    x = 133,184,193.44/13,251.69
  6. Step 6: Final answer
    x = 10,050.36

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Half scale
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Double scale
Find fourth proportional to 13,252.69, 18,287.80 and 7,284.23
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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.