Home / 10,896.32-16,341.60-3,975.68

Finding the Fourth Proportional to 10,896.32, 16,341.60 and 3,975.68

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Solution

The fourth proportional to 10,896.32, 16,341.60 and 3,975.68 is: 5,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.32 : 16,341.60 = 3,975.68 : x
  2. Step 2: Convert to fraction form
    10,896.32/16,341.60 = 3,975.68/x
  3. Step 3: Cross multiply
    10,896.32x = 16,341.60 × 3,975.68
  4. Step 4: Simplify right side
    10,896.32x = 64,968,972.29
  5. Step 5: Solve for x
    x = 64,968,972.29/10,896.32
  6. Step 6: Final answer
    x = 5,962.47

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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.