Home / 12,629.16-17,432.01-7,326.36

Finding the Fourth Proportional to 12,629.16, 17,432.01 and 7,326.36

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Solution

The fourth proportional to 12,629.16, 17,432.01 and 7,326.36 is: 10,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.16 : 17,432.01 = 7,326.36 : x
  2. Step 2: Convert to fraction form
    12,629.16/17,432.01 = 7,326.36/x
  3. Step 3: Cross multiply
    12,629.16x = 17,432.01 × 7,326.36
  4. Step 4: Simplify right side
    12,629.16x = 127,713,180.78
  5. Step 5: Solve for x
    x = 127,713,180.78/12,629.16
  6. Step 6: Final answer
    x = 10,112.56

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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.