Home / 10,872.32-15,004.80-6,682.24

Finding the Fourth Proportional to 10,872.32, 15,004.80 and 6,682.24

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Solution

The fourth proportional to 10,872.32, 15,004.80 and 6,682.24 is: 9,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.32 : 15,004.80 = 6,682.24 : x
  2. Step 2: Convert to fraction form
    10,872.32/15,004.80 = 6,682.24/x
  3. Step 3: Cross multiply
    10,872.32x = 15,004.80 × 6,682.24
  4. Step 4: Simplify right side
    10,872.32x = 100,265,674.75
  5. Step 5: Solve for x
    x = 100,265,674.75/10,872.32
  6. Step 6: Final answer
    x = 9,222.10

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