Home / 9,178.12-13,767.20-2,252.64

Finding the Fourth Proportional to 9,178.12, 13,767.20 and 2,252.64

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Solution

The fourth proportional to 9,178.12, 13,767.20 and 2,252.64 is: 3,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.12 : 13,767.20 = 2,252.64 : x
  2. Step 2: Convert to fraction form
    9,178.12/13,767.20 = 2,252.64/x
  3. Step 3: Cross multiply
    9,178.12x = 13,767.20 × 2,252.64
  4. Step 4: Simplify right side
    9,178.12x = 31,012,545.41
  5. Step 5: Solve for x
    x = 31,012,545.41/9,178.12
  6. Step 6: Final answer
    x = 3,378.96

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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.