Home / 12,573.12-17,351.36-7,269.60

Finding the Fourth Proportional to 12,573.12, 17,351.36 and 7,269.60

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Solution

The fourth proportional to 12,573.12, 17,351.36 and 7,269.60 is: 10,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.12 : 17,351.36 = 7,269.60 : x
  2. Step 2: Convert to fraction form
    12,573.12/17,351.36 = 7,269.60/x
  3. Step 3: Cross multiply
    12,573.12x = 17,351.36 × 7,269.60
  4. Step 4: Simplify right side
    12,573.12x = 126,137,446.66
  5. Step 5: Solve for x
    x = 126,137,446.66/12,573.12
  6. Step 6: Final answer
    x = 10,032.31

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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.