Home / 9,176-13,761.84-2,934.32

Finding the Fourth Proportional to 9,176, 13,761.84 and 2,934.32

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Solution

The fourth proportional to 9,176, 13,761.84 and 2,934.32 is: 4,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176 : 13,761.84 = 2,934.32 : x
  2. Step 2: Convert to fraction form
    9,176/13,761.84 = 2,934.32/x
  3. Step 3: Cross multiply
    9,176x = 13,761.84 × 2,934.32
  4. Step 4: Simplify right side
    9,176x = 40,381,642.35
  5. Step 5: Solve for x
    x = 40,381,642.35/9,176
  6. Step 6: Final answer
    x = 4,400.79

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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.