Home / 11,190.96-15,441.84-6,714

Finding the Fourth Proportional to 11,190.96, 15,441.84 and 6,714

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Solution

The fourth proportional to 11,190.96, 15,441.84 and 6,714 is: 9,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.96 : 15,441.84 = 6,714 : x
  2. Step 2: Convert to fraction form
    11,190.96/15,441.84 = 6,714/x
  3. Step 3: Cross multiply
    11,190.96x = 15,441.84 × 6,714
  4. Step 4: Simplify right side
    11,190.96x = 103,676,513.76
  5. Step 5: Solve for x
    x = 103,676,513.76/11,190.96
  6. Step 6: Final answer
    x = 9,264.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.