Home / 12,555.38-17,327.04-7,250.69

Finding the Fourth Proportional to 12,555.38, 17,327.04 and 7,250.69

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Solution

The fourth proportional to 12,555.38, 17,327.04 and 7,250.69 is: 10,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.38 : 17,327.04 = 7,250.69 : x
  2. Step 2: Convert to fraction form
    12,555.38/17,327.04 = 7,250.69/x
  3. Step 3: Cross multiply
    12,555.38x = 17,327.04 × 7,250.69
  4. Step 4: Simplify right side
    12,555.38x = 125,632,995.66
  5. Step 5: Solve for x
    x = 125,632,995.66/12,555.38
  6. Step 6: Final answer
    x = 10,006.31

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Half scale
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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.