Home / 11,197.64-15,486.18-9,836.84

Finding the Fourth Proportional to 11,197.64, 15,486.18 and 9,836.84

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Solution

The fourth proportional to 11,197.64, 15,486.18 and 9,836.84 is: 13,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.64 : 15,486.18 = 9,836.84 : x
  2. Step 2: Convert to fraction form
    11,197.64/15,486.18 = 9,836.84/x
  3. Step 3: Cross multiply
    11,197.64x = 15,486.18 × 9,836.84
  4. Step 4: Simplify right side
    11,197.64x = 152,335,074.87
  5. Step 5: Solve for x
    x = 152,335,074.87/11,197.64
  6. Step 6: Final answer
    x = 13,604.21

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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.