Home / 11,849.12-17,764.08-4,928.80

Finding the Fourth Proportional to 11,849.12, 17,764.08 and 4,928.80

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Solution

The fourth proportional to 11,849.12, 17,764.08 and 4,928.80 is: 7,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.12 : 17,764.08 = 4,928.80 : x
  2. Step 2: Convert to fraction form
    11,849.12/17,764.08 = 4,928.80/x
  3. Step 3: Cross multiply
    11,849.12x = 17,764.08 × 4,928.80
  4. Step 4: Simplify right side
    11,849.12x = 87,555,597.50
  5. Step 5: Solve for x
    x = 87,555,597.50/11,849.12
  6. Step 6: Final answer
    x = 7,389.21

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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.