Home / 9,168.27-13,752.15-2,928.66

Finding the Fourth Proportional to 9,168.27, 13,752.15 and 2,928.66

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Solution

The fourth proportional to 9,168.27, 13,752.15 and 2,928.66 is: 4,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.27 : 13,752.15 = 2,928.66 : x
  2. Step 2: Convert to fraction form
    9,168.27/13,752.15 = 2,928.66/x
  3. Step 3: Cross multiply
    9,168.27x = 13,752.15 × 2,928.66
  4. Step 4: Simplify right side
    9,168.27x = 40,275,371.62
  5. Step 5: Solve for x
    x = 40,275,371.62/9,168.27
  6. Step 6: Final answer
    x = 4,392.91

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1.5x scale

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.