Home / 9,367.68-12,928.16-5,176

Finding the Fourth Proportional to 9,367.68, 12,928.16 and 5,176

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Solution

The fourth proportional to 9,367.68, 12,928.16 and 5,176 is: 7,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,367.68 : 12,928.16 = 5,176 : x
  2. Step 2: Convert to fraction form
    9,367.68/12,928.16 = 5,176/x
  3. Step 3: Cross multiply
    9,367.68x = 12,928.16 × 5,176
  4. Step 4: Simplify right side
    9,367.68x = 66,916,156.16
  5. Step 5: Solve for x
    x = 66,916,156.16/9,367.68
  6. Step 6: Final answer
    x = 7,143.30

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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.