Home / 10,629.06-15,951.21-7,125.75

Finding the Fourth Proportional to 10,629.06, 15,951.21 and 7,125.75

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Solution

The fourth proportional to 10,629.06, 15,951.21 and 7,125.75 is: 10,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.06 : 15,951.21 = 7,125.75 : x
  2. Step 2: Convert to fraction form
    10,629.06/15,951.21 = 7,125.75/x
  3. Step 3: Cross multiply
    10,629.06x = 15,951.21 × 7,125.75
  4. Step 4: Simplify right side
    10,629.06x = 113,664,334.66
  5. Step 5: Solve for x
    x = 113,664,334.66/10,629.06
  6. Step 6: Final answer
    x = 10,693.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.