Home / 11,643.15-17,454.18-4,245.87

Finding the Fourth Proportional to 11,643.15, 17,454.18 and 4,245.87

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Solution

The fourth proportional to 11,643.15, 17,454.18 and 4,245.87 is: 6,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.15 : 17,454.18 = 4,245.87 : x
  2. Step 2: Convert to fraction form
    11,643.15/17,454.18 = 4,245.87/x
  3. Step 3: Cross multiply
    11,643.15x = 17,454.18 × 4,245.87
  4. Step 4: Simplify right side
    11,643.15x = 74,108,233.49
  5. Step 5: Solve for x
    x = 74,108,233.49/11,643.15
  6. Step 6: Final answer
    x = 6,364.97

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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.