Home / 9,984.25-13,777.80-5,732.32

Finding the Fourth Proportional to 9,984.25, 13,777.80 and 5,732.32

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Solution

The fourth proportional to 9,984.25, 13,777.80 and 5,732.32 is: 7,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.25 : 13,777.80 = 5,732.32 : x
  2. Step 2: Convert to fraction form
    9,984.25/13,777.80 = 5,732.32/x
  3. Step 3: Cross multiply
    9,984.25x = 13,777.80 × 5,732.32
  4. Step 4: Simplify right side
    9,984.25x = 78,978,689.61
  5. Step 5: Solve for x
    x = 78,978,689.61/9,984.25
  6. Step 6: Final answer
    x = 7,910.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.