Home / 12,627.75-17,426.31-7,325.65

Finding the Fourth Proportional to 12,627.75, 17,426.31 and 7,325.65

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Solution

The fourth proportional to 12,627.75, 17,426.31 and 7,325.65 is: 10,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.75 : 17,426.31 = 7,325.65 : x
  2. Step 2: Convert to fraction form
    12,627.75/17,426.31 = 7,325.65/x
  3. Step 3: Cross multiply
    12,627.75x = 17,426.31 × 7,325.65
  4. Step 4: Simplify right side
    12,627.75x = 127,659,047.85
  5. Step 5: Solve for x
    x = 127,659,047.85/12,627.75
  6. Step 6: Final answer
    x = 10,109.41

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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.