Home / 10,330.12-15,493.56-3,755.35

Finding the Fourth Proportional to 10,330.12, 15,493.56 and 3,755.35

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Solution

The fourth proportional to 10,330.12, 15,493.56 and 3,755.35 is: 5,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.12 : 15,493.56 = 3,755.35 : x
  2. Step 2: Convert to fraction form
    10,330.12/15,493.56 = 3,755.35/x
  3. Step 3: Cross multiply
    10,330.12x = 15,493.56 × 3,755.35
  4. Step 4: Simplify right side
    10,330.12x = 58,183,740.55
  5. Step 5: Solve for x
    x = 58,183,740.55/10,330.12
  6. Step 6: Final answer
    x = 5,632.44

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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.