Home / 10,649.73-15,972.54-4,074.38

Finding the Fourth Proportional to 10,649.73, 15,972.54 and 4,074.38

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Solution

The fourth proportional to 10,649.73, 15,972.54 and 4,074.38 is: 6,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.73 : 15,972.54 = 4,074.38 : x
  2. Step 2: Convert to fraction form
    10,649.73/15,972.54 = 4,074.38/x
  3. Step 3: Cross multiply
    10,649.73x = 15,972.54 × 4,074.38
  4. Step 4: Simplify right side
    10,649.73x = 65,078,197.53
  5. Step 5: Solve for x
    x = 65,078,197.53/10,649.73
  6. Step 6: Final answer
    x = 6,110.78

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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.