Home / 11,645.61-17,471.13-3,325.74

Finding the Fourth Proportional to 11,645.61, 17,471.13 and 3,325.74

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Solution

The fourth proportional to 11,645.61, 17,471.13 and 3,325.74 is: 4,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.61 : 17,471.13 = 3,325.74 : x
  2. Step 2: Convert to fraction form
    11,645.61/17,471.13 = 3,325.74/x
  3. Step 3: Cross multiply
    11,645.61x = 17,471.13 × 3,325.74
  4. Step 4: Simplify right side
    11,645.61x = 58,104,435.89
  5. Step 5: Solve for x
    x = 58,104,435.89/11,645.61
  6. Step 6: Final answer
    x = 4,989.39

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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.