Home / 11,091.84-16,642.08-3,698.88

Finding the Fourth Proportional to 11,091.84, 16,642.08 and 3,698.88

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Solution

The fourth proportional to 11,091.84, 16,642.08 and 3,698.88 is: 5,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.84 : 16,642.08 = 3,698.88 : x
  2. Step 2: Convert to fraction form
    11,091.84/16,642.08 = 3,698.88/x
  3. Step 3: Cross multiply
    11,091.84x = 16,642.08 × 3,698.88
  4. Step 4: Simplify right side
    11,091.84x = 61,557,056.87
  5. Step 5: Solve for x
    x = 61,557,056.87/11,091.84
  6. Step 6: Final answer
    x = 5,549.76

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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.