Home / 11,159.12-16,723.99-5,235.09

Finding the Fourth Proportional to 11,159.12, 16,723.99 and 5,235.09

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Solution

The fourth proportional to 11,159.12, 16,723.99 and 5,235.09 is: 7,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.12 : 16,723.99 = 5,235.09 : x
  2. Step 2: Convert to fraction form
    11,159.12/16,723.99 = 5,235.09/x
  3. Step 3: Cross multiply
    11,159.12x = 16,723.99 × 5,235.09
  4. Step 4: Simplify right side
    11,159.12x = 87,551,536.64
  5. Step 5: Solve for x
    x = 87,551,536.64/11,159.12
  6. Step 6: Final answer
    x = 7,845.74

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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.