Home / 11,855.08-17,783.63-3,089.98

Finding the Fourth Proportional to 11,855.08, 17,783.63 and 3,089.98

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Solution

The fourth proportional to 11,855.08, 17,783.63 and 3,089.98 is: 4,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.08 : 17,783.63 = 3,089.98 : x
  2. Step 2: Convert to fraction form
    11,855.08/17,783.63 = 3,089.98/x
  3. Step 3: Cross multiply
    11,855.08x = 17,783.63 × 3,089.98
  4. Step 4: Simplify right side
    11,855.08x = 54,950,956.66
  5. Step 5: Solve for x
    x = 54,950,956.66/11,855.08
  6. Step 6: Final answer
    x = 4,635.23

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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.