Home / 11,617.86-17,427.87-3,826.74

Finding the Fourth Proportional to 11,617.86, 17,427.87 and 3,826.74

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Solution

The fourth proportional to 11,617.86, 17,427.87 and 3,826.74 is: 5,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.86 : 17,427.87 = 3,826.74 : x
  2. Step 2: Convert to fraction form
    11,617.86/17,427.87 = 3,826.74/x
  3. Step 3: Cross multiply
    11,617.86x = 17,427.87 × 3,826.74
  4. Step 4: Simplify right side
    11,617.86x = 66,691,927.24
  5. Step 5: Solve for x
    x = 66,691,927.24/11,617.86
  6. Step 6: Final answer
    x = 5,740.47

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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.