Home / 9,836.40-14,755.68-3,992.16

Finding the Fourth Proportional to 9,836.40, 14,755.68 and 3,992.16

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Solution

The fourth proportional to 9,836.40, 14,755.68 and 3,992.16 is: 5,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,836.40 : 14,755.68 = 3,992.16 : x
  2. Step 2: Convert to fraction form
    9,836.40/14,755.68 = 3,992.16/x
  3. Step 3: Cross multiply
    9,836.40x = 14,755.68 × 3,992.16
  4. Step 4: Simplify right side
    9,836.40x = 58,907,035.47
  5. Step 5: Solve for x
    x = 58,907,035.47/9,836.40
  6. Step 6: Final answer
    x = 5,988.68

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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.