Home / 12,627.09-17,425.11-7,322.40

Finding the Fourth Proportional to 12,627.09, 17,425.11 and 7,322.40

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Solution

The fourth proportional to 12,627.09, 17,425.11 and 7,322.40 is: 10,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.09 : 17,425.11 = 7,322.40 : x
  2. Step 2: Convert to fraction form
    12,627.09/17,425.11 = 7,322.40/x
  3. Step 3: Cross multiply
    12,627.09x = 17,425.11 × 7,322.40
  4. Step 4: Simplify right side
    12,627.09x = 127,593,625.46
  5. Step 5: Solve for x
    x = 127,593,625.46/12,627.09
  6. Step 6: Final answer
    x = 10,104.75

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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.