Home / 12,629.99-17,433.21-7,326.11

Finding the Fourth Proportional to 12,629.99, 17,433.21 and 7,326.11

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Solution

The fourth proportional to 12,629.99, 17,433.21 and 7,326.11 is: 10,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.99 : 17,433.21 = 7,326.11 : x
  2. Step 2: Convert to fraction form
    12,629.99/17,433.21 = 7,326.11/x
  3. Step 3: Cross multiply
    12,629.99x = 17,433.21 × 7,326.11
  4. Step 4: Simplify right side
    12,629.99x = 127,717,526.95
  5. Step 5: Solve for x
    x = 127,717,526.95/12,629.99
  6. Step 6: Final answer
    x = 10,112.25

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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.