Home / 11,286.40-16,925.84-5,362.48

Finding the Fourth Proportional to 11,286.40, 16,925.84 and 5,362.48

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Solution

The fourth proportional to 11,286.40, 16,925.84 and 5,362.48 is: 8,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.40 : 16,925.84 = 5,362.48 : x
  2. Step 2: Convert to fraction form
    11,286.40/16,925.84 = 5,362.48/x
  3. Step 3: Cross multiply
    11,286.40x = 16,925.84 × 5,362.48
  4. Step 4: Simplify right side
    11,286.40x = 90,764,478.48
  5. Step 5: Solve for x
    x = 90,764,478.48/11,286.40
  6. Step 6: Final answer
    x = 8,041.93

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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.