Home / 7,481.89-10,315.42-6,132.53

Finding the Fourth Proportional to 7,481.89, 10,315.42 and 6,132.53

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Solution

The fourth proportional to 7,481.89, 10,315.42 and 6,132.53 is: 8,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.89 : 10,315.42 = 6,132.53 : x
  2. Step 2: Convert to fraction form
    7,481.89/10,315.42 = 6,132.53/x
  3. Step 3: Cross multiply
    7,481.89x = 10,315.42 × 6,132.53
  4. Step 4: Simplify right side
    7,481.89x = 63,259,575.05
  5. Step 5: Solve for x
    x = 63,259,575.05/7,481.89
  6. Step 6: Final answer
    x = 8,455.03

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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.