Home / 12,480.44-17,203.20-9,824.36

Finding the Fourth Proportional to 12,480.44, 17,203.20 and 9,824.36

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Solution

The fourth proportional to 12,480.44, 17,203.20 and 9,824.36 is: 13,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480.44 : 17,203.20 = 9,824.36 : x
  2. Step 2: Convert to fraction form
    12,480.44/17,203.20 = 9,824.36/x
  3. Step 3: Cross multiply
    12,480.44x = 17,203.20 × 9,824.36
  4. Step 4: Simplify right side
    12,480.44x = 169,010,429.95
  5. Step 5: Solve for x
    x = 169,010,429.95/12,480.44
  6. Step 6: Final answer
    x = 13,542.02

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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.