Home / 10,724.64-16,078.32-3,795.36

Finding the Fourth Proportional to 10,724.64, 16,078.32 and 3,795.36

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Solution

The fourth proportional to 10,724.64, 16,078.32 and 3,795.36 is: 5,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.64 : 16,078.32 = 3,795.36 : x
  2. Step 2: Convert to fraction form
    10,724.64/16,078.32 = 3,795.36/x
  3. Step 3: Cross multiply
    10,724.64x = 16,078.32 × 3,795.36
  4. Step 4: Simplify right side
    10,724.64x = 61,023,012.60
  5. Step 5: Solve for x
    x = 61,023,012.60/10,724.64
  6. Step 6: Final answer
    x = 5,689.98

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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.