Home / 31,082.20-46,622.46-7,708.36

Finding the Fourth Proportional to 31,082.20, 46,622.46 and 7,708.36

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Solution

The fourth proportional to 31,082.20, 46,622.46 and 7,708.36 is: 11,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,082.20 : 46,622.46 = 7,708.36 : x
  2. Step 2: Convert to fraction form
    31,082.20/46,622.46 = 7,708.36/x
  3. Step 3: Cross multiply
    31,082.20x = 46,622.46 × 7,708.36
  4. Step 4: Simplify right side
    31,082.20x = 359,382,705.77
  5. Step 5: Solve for x
    x = 359,382,705.77/31,082.20
  6. Step 6: Final answer
    x = 11,562.33

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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.