Home / 11,022.13-16,518.31-5,165.65

Finding the Fourth Proportional to 11,022.13, 16,518.31 and 5,165.65

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Solution

The fourth proportional to 11,022.13, 16,518.31 and 5,165.65 is: 7,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.13 : 16,518.31 = 5,165.65 : x
  2. Step 2: Convert to fraction form
    11,022.13/16,518.31 = 5,165.65/x
  3. Step 3: Cross multiply
    11,022.13x = 16,518.31 × 5,165.65
  4. Step 4: Simplify right side
    11,022.13x = 85,327,808.05
  5. Step 5: Solve for x
    x = 85,327,808.05/11,022.13
  6. Step 6: Final answer
    x = 7,741.50

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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.