Home / 7,382.80-11,082.30-4,612.60

Finding the Fourth Proportional to 7,382.80, 11,082.30 and 4,612.60

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Solution

The fourth proportional to 7,382.80, 11,082.30 and 4,612.60 is: 6,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.80 : 11,082.30 = 4,612.60 : x
  2. Step 2: Convert to fraction form
    7,382.80/11,082.30 = 4,612.60/x
  3. Step 3: Cross multiply
    7,382.80x = 11,082.30 × 4,612.60
  4. Step 4: Simplify right side
    7,382.80x = 51,118,216.98
  5. Step 5: Solve for x
    x = 51,118,216.98/7,382.80
  6. Step 6: Final answer
    x = 6,923.96

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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.