Home / 11,449.32-17,172.70-4,432.68

Finding the Fourth Proportional to 11,449.32, 17,172.70 and 4,432.68

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Solution

The fourth proportional to 11,449.32, 17,172.70 and 4,432.68 is: 6,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.32 : 17,172.70 = 4,432.68 : x
  2. Step 2: Convert to fraction form
    11,449.32/17,172.70 = 4,432.68/x
  3. Step 3: Cross multiply
    11,449.32x = 17,172.70 × 4,432.68
  4. Step 4: Simplify right side
    11,449.32x = 76,121,083.84
  5. Step 5: Solve for x
    x = 76,121,083.84/11,449.32
  6. Step 6: Final answer
    x = 6,648.52

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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.