Home / 12,550.74-17,321.40-7,247.22

Finding the Fourth Proportional to 12,550.74, 17,321.40 and 7,247.22

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Solution

The fourth proportional to 12,550.74, 17,321.40 and 7,247.22 is: 10,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.74 : 17,321.40 = 7,247.22 : x
  2. Step 2: Convert to fraction form
    12,550.74/17,321.40 = 7,247.22/x
  3. Step 3: Cross multiply
    12,550.74x = 17,321.40 × 7,247.22
  4. Step 4: Simplify right side
    12,550.74x = 125,531,996.51
  5. Step 5: Solve for x
    x = 125,531,996.51/12,550.74
  6. Step 6: Final answer
    x = 10,001.96

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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.