Home / 12,629.89-17,433.07-7,326.01

Finding the Fourth Proportional to 12,629.89, 17,433.07 and 7,326.01

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Solution

The fourth proportional to 12,629.89, 17,433.07 and 7,326.01 is: 10,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.89 : 17,433.07 = 7,326.01 : x
  2. Step 2: Convert to fraction form
    12,629.89/17,433.07 = 7,326.01/x
  3. Step 3: Cross multiply
    12,629.89x = 17,433.07 × 7,326.01
  4. Step 4: Simplify right side
    12,629.89x = 127,714,889.84
  5. Step 5: Solve for x
    x = 127,714,889.84/12,629.89
  6. Step 6: Final answer
    x = 10,112.11

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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.