Home / 11,246.85-16,875.54-5,403.51

Finding the Fourth Proportional to 11,246.85, 16,875.54 and 5,403.51

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Solution

The fourth proportional to 11,246.85, 16,875.54 and 5,403.51 is: 8,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.85 : 16,875.54 = 5,403.51 : x
  2. Step 2: Convert to fraction form
    11,246.85/16,875.54 = 5,403.51/x
  3. Step 3: Cross multiply
    11,246.85x = 16,875.54 × 5,403.51
  4. Step 4: Simplify right side
    11,246.85x = 91,187,149.15
  5. Step 5: Solve for x
    x = 91,187,149.15/11,246.85
  6. Step 6: Final answer
    x = 8,107.79

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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.