Home / 9,827.44-13,561.92-5,635.84

Finding the Fourth Proportional to 9,827.44, 13,561.92 and 5,635.84

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Solution

The fourth proportional to 9,827.44, 13,561.92 and 5,635.84 is: 7,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,827.44 : 13,561.92 = 5,635.84 : x
  2. Step 2: Convert to fraction form
    9,827.44/13,561.92 = 5,635.84/x
  3. Step 3: Cross multiply
    9,827.44x = 13,561.92 × 5,635.84
  4. Step 4: Simplify right side
    9,827.44x = 76,432,811.21
  5. Step 5: Solve for x
    x = 76,432,811.21/9,827.44
  6. Step 6: Final answer
    x = 7,777.49

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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.